Ruth’s bullying of Connie reaches a new low when June is wrongly accused of playing pranks. Darrell encourages the lower form to find who is responsible and the whole class gets a lesson on accountability.

Darrell and her classmates await their exams while Felicity and June continue to explore the secret room. Gwen pretends to have heart issues to get out of the exam but then finds herself in a dangerous situation.

Darrell is shocked to discover Lily’s plans and needs to act before Malory Towers is lost forever, while Gwen finds out Ron is joining the army and has to consider her own future.

Gwen has plans with Ron, but gets stuck watching Mr Parker's baby. Alicia recruits Felicity to the cross-country team, much to Darrell's dismay. When baby Kathleen goes missing, Gwen attempts to pass off the blame.

June and Darrell find themselves in danger when they leave the school to continue the search for the treasure in a cave during high tide. The rest of the school prepares for the wedding. Irene is given an important task by her father.

Felicity and June prove to be a handful when Darrell supervises the class field trip. Meanwhile, Gwen gets more than she bargained for when left with Mr Parker's pregnant wife.

When Clarissa receives troubling news that her pony has been sold, she breaks the rules to rescue him. Irene and Mademoiselle Rougier make efforts to strengthen their relationship.

Darrell struggles to prepare a speech she is to give in front of the whole school. Sally and Bill organize a lacrosse match. Irene’s father delivers news Irene has not been looking forward to.

Darrell enlists the help of the First Form students when facing her first challenge to her authority as head of lower school.

On the day of the big race, Felicity cracks under the pressure of Alicia's tough coaching. Matron goes on vacation to see her family. The new nurse, Nurse Jane, has her hands full right away when Darrell gets injured looking for Felicity.

Mrs Heather appears suddenly to take Susan home. The Second Form girls start a prank war with Mam'zelle. Ruth and Clarissa find a way for Susan to stay at Malory Towers.

June pulls a daring stunt to save the beloved Malory Oak from being chopped down by Mr Murray. The Second Form girls learn about chores and hard work. Jo trusts Felicity and Connie with a secret about her mother.

Alicia plans an outdoor midnight feast for her and Darrell. Felicity and June sneak out to search for a hidden room within Malory Towers.

The First Formers try to prank their teachers with Irene's help. Mademoiselle's reaction to the prank raises suspicions for Irene.

Afraid of being accused of stealing, Jo and Connie run away to the village. Darrell helps a worried Ruth search for her sister. When the girls return to Malory Towers, Jo's father learns about her misdeeds.

Jo and Connie trick Felicity into helping them retrieve Jo's confiscated pocket money from Matron's safe. The Second Form girls protest Jo's rule-breaking.

Clarissa goes undercover to prove that girls can play soccer just as good as boys. Darrell and Susan help Mr Murray look for ancient symbols in the garden as they continue their archaeology research.

Felicity struggles to get out of Darrell's shadow in her second year at Malory Towers. Newcomer Jo struggles to follow the rules, getting Felicity caught in the crosshairs. Mary Lou debates how strict to be after becoming head of lower school.

Clarissa challenges her brother's team, Thackerton Boys, to a lacrosse match after he insults her playing skills. Mr Parker worries about Nancy when she is put in goal.

Angry about not receiving a present from Paris, Celeste hides in the stables. However, she is trapped there with Matron when the stables catch fire.

The girls try to cheer up Celeste, who wants to get expelled so she can go home to see her mother. Mary-Lou finds herself facing a snail invasion when she takes an art class.

The pressure is on for Gwen when Felicity suddenly gets stage fright. Meanwhile, Ruth and Susan’s hard work comes to fruition when they make an amazing discovery.

The pressure is on for the Second Form to win a local football tournament and buy George the Donkey his freedom, before the abattoir takes him away.

Nurse Jane gets off to a bumpy start with Mam’zelle when the Second Form receive a box of tricks. Darrell's eagerness to play sports again lands her back in the San.

Felicity and Jo meet a young acrobat girl and Jo promises to take Felicity to the circus. When Jo breaks the rules to fulfill her promise, Miss Grayling teaches her a lesson about friendship. Twins Ruth and Connie start to notice their differences.

Preparing for the inter-tower lacrosse match leads to disappointment for Darrell and Felicity. The rest of the team speculates why breakout star Clarissa is hesitant to play.

After being selected as head of lower school, Darrell soon feels the demands of leadership when Felicity, her younger sister just starting at Malory Towers, gets into trouble.

Darrell scouts out players for the lacrosse team, and discovers that Gwen has some hidden talents. Mary-Lou discovers a skin condition that worries her. Matron must fill in for the biology teacher.

The school play is looming, and director Gwen isn’t happy with rehearsals. When she lashes out at the cast, Jo takes matters into her own hands. Can she make Gwen see sense?

Miss Johnson enforces a list of tough new rules which get the better Darrell’s temper. An important lacrosse match is at stake when Darrell is given a particularly difficult punishment.

Malory Towers competes with the local boys' school in a competition. Ellen suffers a panic attack when she is accused of Gwen's misdeeds.

While directing the school play, Gwen spots performing talent in Felicity - but it isn’t long before Felicity is torn between her acting commitments and helping her sister.

Ruth and Connie think they have received a camera for their birthday, but when the Second Formers take a comic photo of Matron, they have to work to retrieve the film.

Darrell and Alicia’s friendship is put to the test when Alicia adds obstacles to the school race. Meanwhile, Ruth and Susan go in search of answers about Mr Murray’s findings.

Jo’s letters spiral out of control when Felicity is wrongly accused. Gwen isn’t going to let the perpetrator get off lightly. Can Jo do the right thing?

Alicia falls out with Darrell and the other Sixth Formers when she edits the school newsletter. Jo and Susan get into trouble with Mr Parker over his new typewriter.

Irene offers to help Ron with his band, who are playing that afternoon, forgetting she has to take an important music exam. Felicity and June find clues to the missing time capsule.

Celeste lies that she started the fire on purpose to be sent home. Sally confronts Matron about her eyesight, and Miss Grayling finally tells Celeste the truth about her mother.

When Felicity and Darrell debate whether the Third should have the same freedoms as the Sixth, the sisters end up in a personal argument. Gwen’s attempt at matronly duties ends in chaos.

Jo causes chaos when she tells Celeste's mother that Celeste doesn't want to return home. Nancy, June and Felicity are excited to discover that Fred knows about the time capsule.

Alicia and Darrell are trapped in the cellar after Alicia receives some bad news. Can finding the time capsule help them? Irene feels pressured by her musical ambitions.

Gwen is shocked into drastic action when her father refuses to sign her application to finishing school. Darrell and Felicity fall out during the North Tower Spelling Bee.

Gwen plots for movie star and Miss Grayling’s estranged cousin Lily Vernon to visit the school. Lily has her own secrets. Nancy plans a prank to stop eating carrots.

Bill is shocked when Thunder is put up for sale, and she desperately tries to keep him. The Third Formers prank Miss Vernon so they can get out of class to go for a swim.

Jean reveals uncomfortable truths about the Grayling family which shock Lily. Darrell and Alicia plan the best prank ever, involving ancient curses and a skeleton.

Lily discovers a hidden secret when she and Jo make a film. Miss Grayling is angry with Lily, who decides to leave - but has she gone for good?

Felicity and June follow a mysterious girl in uniform to Miss Grayling’s study, but she runs off. Miss Grayling checks her room, which appears in order - what did the intruder want?

Jo discovers Lily Vernon hiding out in the abandoned cottage and agrees to help her in secret, while Alicia decides Darrell needs to relax and plans their final midnight feast.

Gwen is furious with her father when he puts her future plans in doubt, but she is shocked when she finds out the truth. Jo believes Malory Towers now belongs to Lily.

When Gwen leaves the school to learn about Darrell’s past, Darrell must try to stop her before it's too late. Meanwhile, not knowing where their dormmates are, the North Tower girls do all they can to cover when the Matron comes for lights out.

Gwen resorts to drastic measures to hide what she’s stolen. Darrell and Sally find a clue that could finally lead them to Lady Jane Malory’s treasure.

Darrell and her class return to Malory Towers. The first order of business: elect a new class leader. Gwen decides to take the new girl under her wing and become her best friend.

Miss Grayling reveals disheartening news. In one last attempt to save the school, Darrell and Sally try to find Lady Jane’s lost treasure. Gwen’s secrets come to light.

Alicia's family sends a bounty of food, and the girls are all set to have their first North Tower midnight feast. But when Matron wakes during the feast, all Darrell’s worst fears are realized. Will the girls escape?

Alicia and Darrell pull a sneezing prank on their French teacher, which disappoints Sally. Someone has stolen important possessions from the girls.

Ron shows Darrell and Sally a stash of art found in the stables, but where did it come from? Miss Johnson is caught off-guard when Miss Grayling arrives back at Malory Towers.