Terrible at hide-n-seek, Thunk asks Gran to teach him to hide. With her training, he soon becomes her partner in crime, helping her with heists and schemes.

Phil and Guy try to disprove the Croods' belief that leaving offerings to the fire moon will prevent bad luck. But when their efforts seem to cause a series of mishaps, they'll have to retrieve the horn of a dangerous ramaconda to turn their luck around.

Trained by her parents, Eep competes in Alphafight. But when Eep learns that a human winning could upset the balance of nature, she must choose between winning to make her parents proud, and losing to protect the other animals.

When the parents find their precious outhouse destroyed, they perform a "trouble trial" to find the culprit. To prove their innocence, each kid provides their own explanation for the outhouse's destruction.

The Croods, Bettermans, and Guy compete in the Throw-Go-Bowl - an annual Throw-go-nut championship game against the punch monkeys. Grug's desire to win above all else threatens to push away his teammates.

Dawn hates her mother's beetballs and has been secretly dumping them in the lagoon to spare her feelings. But when the Bettermans (and Eep) go on an underwater expedition in the lagoon, Dawn must keep her family from discovering her secret.

Phil enlists the Croods to help him retrieve a rare fruit before some wild animals can. But when Grug doesn't trust Phil's methods of getting it back to the farm, the Croods and Bettermans compete with each other more than with they did with the animals.

Upset that he can't grow a beard, Grug resorts to some unorthodox hair growth methods. But when Phil's experimental hair formula makes fur grow all over Grug's body, he flees to the woods to avoid the other farm residents' attempts to shave him.

When Hope allows Dawn to borrow her favorite bracelet, Dawn is determined to prove she is responsible. But when an accident leads to the bracelet being stuck in an Eegle's nest, Dawn, Eep, and Guy must retrieve the bracelet before Hope finds out.

While the parents are away, the kids are in charge of the tree house, but when the punch monkeys invade the house, the kids find themselves out of their element.

When Phil detects a meteor is hurtling towards the farm, the Bettermans and Croods must decide how to spend their last day on earth.

When Grug saves Hope's life during a dangerous mountainside tartichoke harvest, rather than feeling grateful, Hope is desperate to save Grug's life in order to not be indebted to him.

When Grug thinks his forehead looks too big in Ugga's family portrait, she strives to make the painting disappear.

Hwam returns with news of a utopian cave community, accidentally reigniting the argument between the Croods and Bettermans. As the Croods journey to Caveana and the Bettermans adjust to life without them, the parents deny how much they miss each other.

Bored of the viewing options on window, Thunk realizes what he’s been missing – real life drama! But when Thunk starts creating drama around the farm, the others set out to teach him a lesson.

Ugga has a secret - she's taking Eep to "flop with the bulrusses" - a fun and dangerous pastime Ugga enjoyed as a teen. Ugga's excitement fades when Hope invites herself and Dawn along.

Grug accidentally reveals a subterranean cave beneath the treehouse. When Phil can't convince Hope, Grug, and Ugga that the treehouse is more impressive than the new cave, he sets out to destroy the cave.

The kids take their "Dare Game" too far, causing Grug, Ugga, Phil and Hope to forbid them from playing it. But when the adults also get hooked on the game, the kids must convince them to stop before someone gets hurt.

Jealous of the Thunder Sisters, the men on the farm undergo a series of difficult initiation rituals to try and join the exclusive tribe of women.

After a big argument between the Croods and Bettermans, the parents decide to separate the two families. Not wanting to split up, the kids try to convince the parents to make up before the Croods move off the farm entirely.

When Phil's beloved stick companion Philliam goes missing, he enlists the help of Ugga and Eep who lead an investigation across the farm.

When Phil humiliates himself playing throw-go-nut with the punch monkeys, the Croods band together to help him regain his confidence. Unfortunately, Phil goes from confident to cocky and bets the farm on a game of throw-go-nut with the punch monkeys.

Eep loves action and adventure - it's in her blood. But when Eep starts adventuring in her sleep, she has to try to find the cause of her new sleep walking to avoid ending up in dangerous situations.

Guy is always surprising Eep with romantic gestures and Eep wants to return the favor. But when Guy proves impossible to surprise, Eep has to step up her game.

When the adults exclude the kids from their adult-only cave, the kids make their own much cooler cave, soon making the adults want to switch caves.

The Croods and Bettermans take in Malachi, Gran's longtime enemy, until his broken wing heals. Eep is unsure whether or not Malachi can be trusted.

Thunk goes missing after the Thunder Sisters dismiss his help during a battle. The Thunder Sisters, and Grug, Phil, and Guy's newly formed "Thunder Sifters" search on and off the farm for Thunk.

When Gran announces it’s time to choose a new Thunder Sisters Queen, Ugga assumes she’s got it in the bag. But after a series of challenges (the Thunder Games), it becomes clear Gran might not be ready to step down.

After Thunk and Guy tell Eep and Dawn a campfire story of Gorgwatch, a hideous monster who roams the woods, the girls are terrified.

Dawn is bummed when an injury prevents her from joining the Croods and Bettermans to a trip to Fizzy Falls, but when Thunk recruits her on his quest for an ancient stash of legendary snacks, Dawn can't resist joining the treasure hunt.

When Guy invents a primitive skateboard, Eep and Dawn have a blast trying new tricks.

After a back-breaking day of farm chores, all Grug and Phil want is a slice of pie. But when there is only one slice left, both Grug and Phil argue that they deserve it more. To prove who works harder, Grug and Phil switch chores on the farm for a day.