Cook's violent past catches up with him.
Cassie starts a friendship based on mutual loneliness.
Effy works hard to achieve success as well as status at her job.
Mini's health worsens, leaving her and Franky isolated and under pressure.
Alex Henley faces his first day at college and catches Liv's eye.
While on vacation in Morocco, the gang finds a load of weed under the floorboards of their villa.
Emily disguises herself as her sister Katie, when she refuses to leave the house.
Effy resolves to confront her feelings for Freddie but finds him ensconced with Katie.
Katie makes the most of every opportunity to rub in the fact that she's usurped Effy as Queen Bee.
The split within his gang has taken its toll on JJ and he feels lost and confused; visiting his psychiatric clinic, however, he is only given more drugs.
Naomi is controlling Emily's affections by keeping her at arm's length, dismissing Cook as a misogynist pig, and enjoying the flattering attention of her teacher, Kieran.
Freddie's big sister Karen's reached the final of a TV talent show; Freddie is emotionally blackmailed into upholding the story she and her Dad are spinning about their dead mother.
Pandora decides to throw a party, but Katie uses some special ingredients in the chocolate brownies.
Thomas arrives from the Congo; Effy, Pandora and the crew show Thomas how British teens live and party.
Cook's gearing up for a fantastic 17th birthday party, unaware of what the evening has in store.
The A-level results are released. When Sid is presented with a problem, Tony comes up with an enterprising solution that could restore the pair's friendship. Last in series, guest starring Mark Heap and John Thomson.
Unknown to Chris, Jal is pregnant and struggling to decide whether to keep the baby or not.
Still reeling from the news of Sid and Michelle's new relationship, Tony meets a girl who understands what he's going through.
After being expelled from school Chris joins the workforce, learning that finding a job and keeping a job are two different things; Tony is determined to get things the way they were before his accident.
Michelle and her friends go camping for her birthday, but they are joined by an unexpected guest, Michelle's new step-sister.
Sketch is in love with Maxxie and proves she's willing to go to great lengths to prove he could love her too, even if he doesn't yet know she exists.
Tony survived his accident, but he's no longer the same person; Maxxie wants to leaving school to perform in London, but his father has other plans for him.
Nobody is in the mood to celebrate Anwar's birthday, Sid tries to pull himself together and tell Cassie how he feels about her and Tony runs out of luck as he tries to make amends for his behaviour. Guest starring Nina Wadia, with Nicholas Hoult, Mike Bailey and Dev Patel.
Tony's little sister, Effy, goes missing after a night of partying.
Michelle breaks up with Tony after he hooks up with Maxxie; Tony attempts to sabotage Michelle and Josh's date.
Tensions bubble to the surface during a school trip to Russia; Maxxie's sexuality clashes with his best friend's religious beliefs; Anwar falls for a mystery Russian girl.
Sid needs someone to talk to because his family life is in disarray and he suspects Cassie of cheating on him, but things have been strained with Tony since the accident.
After Chris spends all the money his missing mother left on a party, he turns to his friends and his psychology teacher, Angie, for help.
Jal has a problem with her father; Sid has a problem with a drug dealer.
When her parents are too self-involved to realize she's still not eating, Cassie begins to open up to Sid, but he's too busy thinking of his own problems.
Tony has big plans for his best friend Sid, but when they go to a party at a friend's house, the night doesn't exactly go as planned.