Timmy erroneously believes that his operation of a machine he and his friends have made to contact Martians has caused an army plane to crash but the army believes that Lassie's behavior at the time of crash is a clue to accident.

Flip will get Timmy's turtle Myrtle if Lassie behaves like the greedy dog in Aesop's Fables, and indeed she does drop her bone--because she saw the escaped alligator that's taken up residence in the lake.

Timmy is so excited about his new suit that Ellen allows him to wear it until Jeff gets home, but when he tears it, afraid they will send him back to his aunt and uncle, Timmy lies and lays the blame on Lassie. To make him confess, Ellen makes him decide Lassie's punishment.

On a windy night, Lassie hears screaming coming from the woods, and upon investigating, finds a foreign girl named Anna wandering about lost. Befriending the girl, Lassie brings her home to the Martins. They discover she is a European girl that the Wilkins family has taken in temporarily. She is enrolled in the Calverton school and Timmy begins acclimating her to the area by taking her on a picnic. He notices she always eats as if she is starving; at first he does not notice that she is also hoarding food. Anna is continually coming in late, and then Miss Hazlit begins having complaints from Rudy that things are disappearing from the childrens' lunch boxes. When Rudy accuses Anna in front of the other kids, Timmy fights with him until Miss Hazlit breaks it up and makes Rudy apologize. Timmy comes home, however, and overhears Miss Hazlit telling Ruth that she also suspects that Anna is the thief. Timmy is disturbed, but agrees to let Miss Hazlit take care of the matter. In the meantime,

While helping Timmy get pictures for a photo contest Paul and Uncle Petrie comes across a uncooperative man hunting pheasants on the Martin property.

Timmy and Boomer want to be partners in a business, and, learning Paul is planning to spend $10 on ladybugs to help fight aphids in his apple orchard, are determined to find a cache of them Lassie discovered earlier. But the collie wants nothing to do with the itchy pests

Boomer is jealous when Timmy seems to prefer the company of his English visitor, Robin, and his little Cairn terrier Basil, so he and a classmate make fun of Robin's short pants and school tie

Jeff shows a dog trainer at the fair Lassie's tricks--and thinking she can be a headliner for them, the man and his partner steal her. Clay: Richard Garland.

A radio producer hears Ellen singing at church and offers her a job singing on radio--but she and Jeff must take an apartment in the city and leave Lassie with Gramps to do it.

Jeff thinks Lassie needs a vet when her time comes, but a storm is brewing and Gramps says dogs can cope. Dr. Wilson: Frank Ferguson. Mrs. Wilson: Frances Morris.

While Jeff prepares for the county fair, a spoiled little girl visits the farm and continually tries to hurt Lassie.

With a drought affecting availability of fish in the area, two restaurant owners look to take advantage of the Miller's generosity by taking free fish from the Miller's lake.

Jeff persuades a neighbor to buy a rehabilitated war dog, only to have the dog exhibit aggressive behavior. Joe Brown: James Griffith.

The boys' journey on their new raft is hampered by the fact that Porky can't swim.

When Gramps has chest pains, the family tries to keep him from exerting himself.

The calf Jeff is raising for the county fair vanishes the same night Lassie comes home injured and covered with mud--then she mysteriously starts chasing Ellen's car.

Jeff overhears the wrong conversation, and, thinking Gramps needs an expensive operation, attempts to sell Lassie to raise the money.

Jeff wants to learn to use his father's gun, but Ellen is terrified of him being exposed to a firearm, although Gramps thinks he should learn to use it.

An animal trainer permits his tiger to swim in the fishing hole at which time it flees at Lassie' s bark and terrorizes the Martins while Sheriff Miller's posse is on the hunt and the trainer attempts to prevent the animal's destruction.

Disobedient Timmy hikes in the woods alone because his hiking partner is sick and is knocked unconscious after slipping down an embankment as a forest fire starts.

A colt Timmy finds after a forest fire and wants to keep must be auctioned by the county and, when it appears Timmy will lose the bid, Washburne puts up money on the condition Timmy will house but then the mare comes looking for the colt.

Lassie, lonely when Timmy returns to school after a vacation, befriends a raccoon. She is devistated when the raccoon, whom Timmy named Melonhead, is run over by young drag racer Johnny Sexton.

An illegally entered Mexican boy found injured by Timmy places the Martins in legal jeopardy as both Timmy and the Mexican boy struggle with doing the right thing.

A pair of men steal dogs for ransom until they lock up Lassie after stealing Lassie with their vehicle at which time Lassie frees the stolen dogs and alerts the law.

When the fire chief's Dalmatian is killed at a fire, Timmy loans Lassie to the chief for during the day but Lassie becomes enthralled with the fire engine and fire chasing to the extent she ignores Timmy.

After a police dog and policeman befriended by Timmy and Lassie are shot by a bank robber, the dog on the loose becomes aggressive to the point of attack and might be killed by authorities except the dog is gentled by Timmy and Lassie.

The Gardners, the Martins' new neighbors, accuse Lassie of killing their cat and attacking their sheep, but Lassie knows there's a strange collie in the area.

Timmy and Lassie discover the sad truth about Relentless, Cully's new--and much bragged about--dog: he's lost his sense of smell. The truth might have remained secret had not the money earned in a church fundraising drive gone missing.

Ruth and Timmy, visiting the Grand Canyon, befriend a blind pianist with a unique outlook on life who helps Timmy after he is angered by Lassie's behavior when she follows him on a mule ride and he's forced to turn back.

While playing on her own, Lassie brings home the talking doll belonging to a lost city child, who is trapped in a concrete irrigation ditch that's slowly filling with water.

Timmy bets Lassie's new jeweled collar that she can beat a friend's new greyhound, Pat, in a race, and is chagrined when the collie loses.

Timmy bets Lassie's new jeweled collar that she can beat a friend's new greyhound, Pat, in a race, and is chagrined when the collie loses.

Lassie brings home a gold miner's pack burro, and Timmy and Culley get gold fever. The burro leads them to a mine, but their digging causes the roof to collapse, trapping them. Lassie and the fireman must rescue them before the mine fills with gas.

Timmy and Lassie make the acquaintance of Captain Gene Holter, a man who makes his living racing his two ostriches Romeo and Juliet against horses at county fairs. But when Ruth finds out Juliet, defending a egg she just laid, chased Timmy, she forbids the boy to return to the fairgrounds.

When carnival performer Mr. Conte's trained dog Terry is injured, Lassie substitutes for her--so well that he wants to buy her. When Timmy won't sell, the man steals her.

Lassie and Caesar, an Army homing pigeon that Timmy nurses back to health, get so attached to each other that when he is returned to the Army, she refuses to eat, and Caesar frees himself to return to his collie friend. So Timmy decides to see if the Army will let him buy the bird.

When Ruth thinks their cow is going dry, she makes the difficult decision to sell Bessie to the slaughterhousea and purchase a new cow. What they don't realize is that a neighbor's boy has been stealing some of her milk.

Ruth is on volunteer tower duty during a dry spell and must take action when a forest fire starts due to a careless smoker. Meanwhile Lassie helps Ranger Wade start a backfire after he's injured in the path of the fire in a fall from his horse.

When Paul offers to farm the land Cully has allowed to lie fallow, the old man thinks Paul means he should retire. But after Timmy gives him a pep talk, Cully decides to fight back by hitching horse to plow and farming his land again.

Enroute to the city to relocate after a drought, a backwoods family stops at the Martins after Timmy plays a trick on them. But when their son Billy Joe finds out his parents plan to give away his beloved dog Mitchell, he swears Timmy to secrecy after returning to the Martins', then he and the dog head for the woods--where deer season has just begun.

Timmy and Lassie watch in horror as a man raids a golden eagle's nest and destroys her only egg, so Timmy gives the bereaved bird a goose egg to raise.

After finding out the local Army base needs dogs to guard their missiles, Timmy adopts Homer, a German Shepherd from the dog pound to give to the Army, but the dog has become so cowed from abuse that the family wonders if he can ever be trained.

Cully plays host to his old regiment's Army mule, but he and Timmy must save the animal from being destroyed when it suddenly goes mad and begins rampaging all over the countryside.

When the Martins travel by train to Chicago for an agricultural exhibition, as well as to visit Ruth's mother and family, Lassie is taken along, but her crate falls off the baggage car enroute and Tom and Jess, two friendly truckers, try to help her get back where she belongs.

While Paul is away, Ruth and Timmy care for a stray dog that Timmy names Duke. But after being involved in a fight, Duke suddenly shows all the signs of rabies.

Timmy observes what he believes is a wild horse which becomes a menace to the local farms but persuades Paul to convince the local farmers to spare the life of the horse which is later learned to be an escaped thoroughbred.

When Timmy and Lassie bring home a litter of starving orphaned puppies, rescued from a maurading bobcat, the family tries to save them although one has already died of starvation. Inadvertantly, the pups teach Timmy, who's been relying on Paul to help him with arithmetic homework, about self-sufficiency.

A neighbor's prize bull strays onto the Martin farm and tries to attack Timmy. When the bull is later poisoned, the neighbor accuses Paul of the deed. Detectives Timmy and Lassie launch an investigation to find the real culprit.

The Martin's new neighbors turn out to be living in an abandoned shack with little food. Efforts to help are rebuffed by the father, but when the sheriff becomes involved, Timmy and Lassie find the father a job and the family enjoys a happy Christmas.

Timmy is punished for neglecting his farm chores when he joins Willie Brewster to build a vehicle for a go-cart race.

Movie star Mimi Marlowe has car trouble near the Martin farm and is forced to leave her baby, a pet poodle, in Timmy and Lassie's care. Excitement ensues, as Lassie must save the poodle, which in turn rescues Timmy from a precarious situation.

Mistaking a fin print on the beach left by a diver for the tracks of a sea monster, Timmy and Culley Wilson let their imaginations get the better of them. They launch an attack on the would-be sea creature endangering the life of the diver.

Timmy and Ruth try to prove that a little chapel should not be sleighted for demolition because a flock of swallows return there every year on the same day, but they may not arrive after a hawk attacks the scout swallow.

A blind dog is trapped in a skip-loader and in danger of being buried alive. Lassie risks her life to save the handicapped pup and Timmy helps the dog's owner find work to pay for a sight-restoring operation for his pet.

Timmy learns a lesson in obedience when he takes a job as water boy at a traveling carnival. He disregards an order, inadvertently allowing a tiger to escape from its cage.

Ruth agrees to babysit Betty Wilder's infant twins, but the young mother arrives early and reluctantly leaves Timmy and Lassie to care for the babies until Ruth returns from an errand. Timmy thinks it will be a cinch--until a marauding hawk chases a frightened pigeon into the bedroom where the babies are sleeping.

Timmy is trapped on a ledge while chasing a strayed ewe that has just given birth and Ruth desperately tries to get the attention of a nearby helicopter pilot reseeding the hills.

Cully tells Timmy no animal is all bad, so Timmy befriends a skunk, but no one, not even Lassie, will come near his new friend.

Something's raided the family strawberry patch, but the large mysterious tracks puzzle everyone until Timmy catches a glimpse of the animal, describing it as a ""giant rabbit."" In reality it's a wallaby named Pancho--who poses a danger to Lassie!

Jerry, the lame boy who adopted Lassie's son Blacktail, and his dog visit the farm, when the Martins find out Jerry can walk without his brace, but is afraid to try.

Timmy befriends the hermit who recently moved into the area, a man a visiting construction worker and his son scorn.

When Willy's expensive Mother's Day gift and Timmy's more frugal choice are mixed up, Timmy can't bear to tell his mother after seeing her pleased reaction--so he takes steps to earn the additional money Willy's gift cost.

Paul, Henry Enders, and some other farmers may lose some valuable farmland--and Paul an expensive fence--due to a road building project. Henry Enders tells the Martins he understands some of the original survey markers were once moved, so the two men try to find any that were not replaced.

Sam Burke buys a savage German Shepherd named Bismarck after a bobcat depredates his flock of sheep and attacks the Martin stock as well, leaving a lamb orphaned--but Lassie knows that something else was responsible for the killings.

Paul is trapped in his truck by a downed power line during an electrical storm, but Timmy can't call for help because a garrilous woman is constantly on the telephone.

Everyone makes fun of Timmy's runt piglet, Champ.

Lassie, who turns out not to be expecting puppies, refuses to have anything to do with Henry Enders' setter puppies that Timmy is taking care of.

Timmy saves the life of a rooster that Paul only suspects was involved in cockfighting, but a neighbor's hired hand recognizes ""Clementine"" as a champion fighter named Dynamite who was left for dead.

After Timmy and other schoolchildren saved up enough money to purchase an baby elephant for the Capitol City Zoo, the city authorities find there is no place to house it, so, newly named ""Peanuts"" by Timmy, it ends up boarding at the Martin farm.

The father of a new girl Timmy befriends owns the land Paul is renting for his alfalfa crop--and plans to flood the field before Paul can harvest it.

A neighbor may lose his new means of moneymaking when minks from his mink farm are blamed for slaughtering chickens. But the killer turns out to be something more dangerous: a wolverine.

When Paul tends a neighbor's herd, he discovers they have hoof-and-mouth disease--and now Princess, the new purebred cow he invested $1000 in, and the Martin's old cow Bessie are threatened with slaughter.

After an Explorer lectures Timmy's Cub Scout den, the inspired den goes on a hike and wonder into the Badlands where they become stranded on a rock ledge.

After he trades some old sports equipment for a homing pigeon, Timmy's next task is to train her. But only Lassie--and a male pigeon attracted to the new homer--knows ""Bright Eyes"" is endangered by a hawk on her first long-distance flight.

Timmy, studying grasshoppers for a school project, becomes so worried about a possible plague when he sees a big nest of the insects that he speaks up at the Grange meeting and tries to buy insecticide with his own money. It's only then that even Paul takes him seriously--and is glad he did.

large mongrel dog who's been a nuisance on neighbors' farms is trapped in a gorge, and although most of the farmers want the stray dead, the Calverton dog pound representative wants to save him.

When Timmy and Don accidentally release the guinea pig from an experimental rocket, they replace it with Timmy's guinea pig Alexander the Great. But authorities suspect the guinea pig on the rocket was exposed to deadly radiation.

Phil Houston's stockyards suddenly gets a new source of lambs for market thanks to his assistant Joe Morton and Lassie seems to be reacting to strange noises not coming from the new silent dog whistle Timmy recently purchased.

During a game, the boys begin fighting and Flip is knocked out by a rock thrown by Rudy, who makes Timmy and Sam believe Flip is dead and it's their fault, so the two boys and Lassie run away to avoid disgracing their families.

Timmy persuades editor Ira Caldwell to let him try and earn money by selling newspaper subscriptions to the Calverton Sentinel,and then accidently overhears a plan to rob the local dairy's co-op while at the Vance farm.

Lassie is concerned over the fate of a magician's disappearing pigeon.

Jeff is bitten by a rattlesnake and Gramps and Ellen rush to get him to a doctor.

Matt Brockway says Pokey is useless and tells Porky he is going to give the dog away.

A snoopy inspector from the water department insists on seeing the Miller well.

Jeff and Porky enter a fishing contest to win a new pole, but it's Lassie that catches the fish!

Gramps wins a tractor in a contest but refuses to learn how to use it even after his first attempts go poorly.

Porky and Jeff receive a chimpanzee by mail instead of the hamsters ordered. When they try and hide the chimp from everyone, they discover that the task is far more difficult than they imagined.

Jeff and Lassie find a litter of abandoned kittens and are horrified when Gramps says to leave them alone; that they can't be saved and will probably starve.

Lassie is praised for her looks after a visit to a pet salon and she takes the compliments a little too much to heart.

A little dog left in Jeff's care pines for his missing master.

Lassie discovers a small, waiflike boy hiding in the barn, but the child won't talk. The Millers soon find out he's Timmy, an orphan living in Olive Branch with his elderly relatives, Uncle Jed and Aunt Abby Clausen. (Some type of accident killed Timmy's parents.)

Lassie finds a mischievous chimpanzee named Debbie and takes her to the ranger station where she ruins the newly-cleaned station and creates havoc outside. Lassie gets some help from a raven before the big inspection.

In an area being developed for swimming and fishing, two youngsters playing hooky wander into the blasting zone. Lassie is able to bring help and rescue the boys.

Lassie accompanies Ranger Corey Stuart on an avalanche control expedition. When the snow from a man-made avalanche buries a fox, Lassie must find the fox and dig her to the surface.

An animal trainer's truck crashes in the woods, freeing his animals in the wilderness. Ranger Corey Stuart tends to the trainer's injuries as Lassie retrieves the escaped animals, just as a vicious lynx is threatening to make a meal of Zelda, the pet raccoon.

A shutterbug Boy Scout is so intent on following an eagle to take a photo that he disregards where he is going and is trapped on a ledge.

Making a lake into a tourist attraction that will help a town depends on buying land from two independent boys the townspeople view as ""hippies.""

On a surveying mission of the forest, Scott and Bob are delighted to find wolves restablishing themselves in the area. Then the male is shot while hunting for his pregnant mate and the rangers must save him--and change the hunter's mind about wolves.

Scott and Lassie help a Job Corps volunteer who just isn't making the grade.

During a surveying trip at a former bombsite sleighted to become a national grassland, Scott carefully disarms the unexploded bomb next to a trapped man while Lassie shuttles supplies to him.

In a quest for a valuable stamp, the boys begin quarreling with each other.

Jeff and Porky quarrel over a new girl in town, who is happily playing one boy off another!

When Gramps and Ellen tell him that Lassie is going blind, Jeff takes the dog on a long journey to find the doctor that can restore her sight.

With the Millers and Brockways attending a wedding, Lassie and Pokey set out on a series of adventures.

While Porky and Jeff go off to identify birds for a school project, Lassie tends bird eggs whose mother was killed by a ferret.

With the apple orchard partly ruined by rabbits, Gramps contemplates selling the farm.

Jeff and Porky horrify Gramps by trying to tame a red-tailed hawk as a hunting falcon.

Ellen tries to teach Jeff a lesson about being on time but Jeff takes the idea a little too far.

Jeff and Porky send Lassie on a fake call for help but when Jeff is injured and does need help, people are skeptical that the need is genuine.

Porky is upset when a black cat crosses Lassie's path and then she walks under a ladder, but Jeff and Ellen tell him superstitions are silly--but Jeff may be converted when unfortunate things keep happening.

On a dare, Porky and Jeff venture into a supposed haunted house and are surprised to see what appears to be a real ghost.

Gramps is determined to use the mower before the onset of bad weather but Jeff and Porky are just as set to protect a nest atop the machine that belongs to a rare bird.

Under the mistaken belief that the farm is about to foreclosed on, Jeff adopts a frugal outlook on his daily life.

Jeff is thrilled to accept a summer job at Doc Weaver's office, but when he neglects his duty for a few minutes, a potentially rabid dog is let loose

Inspired by Uncle Petrie's tale of a boy who talks to the animals, Timmy sets out to befriend animals himself. But he helps some people along the way and it is their friendship and kindness that save Lassie from a precarious situation.

Neeka, spending his vacation with Scott and Bob, is delighted to help the rangers out at the Roaring Camp spur line, a railroad that will run directly through the majestic redwood forest. There they befriend a persistent little bantam chick (Neeka names him Fairbanks) who is constantly wandering into trouble.

Garth's brother Keith is met with resentment when he takes over running the ranch, but he proves his mettle when a storm strikes the ranch and starts a fire that traps Lassie in the woods.

Lassie, after a narrow escape on a firing range, befriends two young men who have been camping at the beach in their van. While they tend the injured collie, Lucy, now returned home, prays for two miracles: that her hearing -- and Lassie -- will return.

Lucy trades lessons in ""home"" to an attractive young drifter who gives her guitar lessons in return.

When Jeff and Porky see pit bull terriers, Gramps suspects illegal dogfights are being held in the area.

Jeff tries every way he can to avoid meeting Debbie, the daughter of Ellen's visiting college roommate Lucy Hopkins--until he sees her dance and is smitten. But when Porky lampoons her dancing, Debbie tells both boys off.

There is a weird ""monster"" in the lake making unearthly noises--but it turns out to be a displaced seal, which Jeff promptly tries to adopt.

Jeff and Gramps are jealous when Clay Horton takes Ellen out on a date.

The boys start printing a newspaper to make themselves some pocket money--but the material they print gets them into hot water instead.

The Millers batten down the hatches as a severe storm approaches.

A gypsy girl and her family camp on the Miller farm, despite neighbors' reports of thievery.

A television set meant for the Brockways is delivered to the Millers.

When Jeff and Porky discover their competition jumping frog is female and about to lay eggs, they drive Gramps and Ellen to exhaustion in their quest to see the eggs are fertilized and produce offspring.

Porky and Jeff spend a night roughing it in the woods but their tranquility is threatened by a nearby camper's carless fire tending.

After visiting to Timothy Powell's summer home, Jeff is envious of the wonderful things he saw at the wealthy Powells and turns up his nose at the farm and Porky. So when the Powells go away for the weekend, Ellen has Timmy stay with the Millers.When Timothy falls seriously ill, however, it is Ellen's unwavering care that brings about his recovery, and Jeff realizes that money isn't everything and Jeff finds out the boy thinks he's the lucky one.

Jeff talks about growing a moustache but when he starts acting older than he actually is, Gramps decides to teach him a lesson.

While surveying Government rangeland, Scott is hurt by a careless rifle shot fired by young Tom Bradley, a boy who has taken to playing hookey and staying in the woods after his mother's death; later, another shot of Tom's gone wrong injures his father.

To make up for ignoring Jeff, Gramps brings him home a colt Jeff names ""Domino."" Jeff then starts ignoring Lassie in his enthusiasm over having a horse.

Gramps hires a tramp to do some odd jobs on the farm, then is jealous when Jeff starts to idolize the tale-telling old man.

The parents of a blind veteran try to buy Lassie--the young man's own collie Lassie has died and they do not want to tell him the truth, fearing he will slip into depression again.

Jeff and Lassie are trapped in a cave shown to them by a malicious classmate.

An injured man, hurt in a car accident, is brought to the farm. He mutters something about hitting a collie with his car--and Lassie is acting strangely.

All of Lassie's pups have been given away except for Laddie, the runt, and she hides him in an abandoned mineshaft to keep him with her.

Porky enters Lassie in the Capitol City Dog Show obedience trials without knowing what the procedure is, but Jeff finds out what's involved and trains her.

A new teacher has forbidden the children from bringing dogs into the classroom and one of Jeff's classmates is determined to do something about it.

Jeff teaches Lassie to howl when he plays the violin, hoping to get out of lessons, but Ellen sees through the scheme

Jeff nurses a wild duck back to health but when he releases it back to the wild, he fears the duck may be the victim of poachers in the area.

Jeff and Ellen plan a surprise party for Gramps so well that Gramps feels neglected on his birthday and ""runs away.""

When Lassie is impounded in Capitol City for lack of tag and leash, Jeff learns that most of the dogs in the pound are to be killed so he brings, much to the consternation of Ellen, the dogs to the farm so he can find them homes.

The boys quarrel over Pokey being able to sleep in their new tree house.

The Millers welcome a Japanese exchange student--and run into bigotry from a neighbor who has never gotten over World War II.

Jeff decides he wants to be a veterinarian, and his first patient is the Miller cow.

Ellen accidentally brings home a valuable champion collie from a dog show rather than Lassie--and is accused of theft!

After a friend's mother is involved in a serious car accident, Jeff becomes over protective of Lassie.

Jeff, in charge of collecting money for Sunday School, loses the contributions and has no way of replacing them.

Jeff and Porky enter the world of business when they take a 4-H calf home from the county's fair, intent on raising it to sell for the price of an outboard motor. In their care, the calf grows into a prize-winning heifer.

Gramps' blames Lassie's son Laddie's illness on the spray used by a local crop duster.

Ellen battles with Jeff to go get a haircut--until the unexpected happens.

Jeff and Porky try to raise bees for an upcoming 4H show but a wild raccoon threatens to ruin their work.

Cranky old Daniel Mueller fences in a pasture that's a shortcut the kids use going and coming to school and the boys want revenge, but Lassie is privy to his gentle side. Then one night the collie discovers Mueller seriously ill.

Pokey is temporarily quarantined at the Miller farm due to a disease threat. However, when the dog runs away, one of the Miller's neighbors threatens to shoot Pokey on sight to protect his livestock.

Lassie uncovers a bone that is of interest to a local archaeologist but Pokey takes it away when she tries to bury it.

Pokey needs a blood transfusion to save her life and only Lassie has the blood needed for the transfusion.

Gramps is going fishing on the day of local elections and Ellen is worried that his absence from voting could mean a man who dislikes all dogs is elected as animal catcher for the area.

Jeff misunderstands a man who gives him a ride--and the newcomer is branded as an ex-convict.