Alfie struggles with the end of term, as his students will all be moving on to the next stages in their lives. The students each go to Fraser's office where the career-predicting computer predicts that virtually all of them will become archaeologists, with the exception of Rem Dogg who is wrongfully predicted to become a stunt man or a male escort.

Stephen decides to go to prom as his female alter-ego, Stephanie Fierce. Alfie doesn't want to repeat the emotional struggles of losing a class after getting attached so he makes the decision to quit Abbey Grove and teaching altogether. When Alfie delivers the news to Fraser, Fraser pitches a fit. Rosie tries to talk him out of it but Alfie has made his decision and would also like to focus on his newly reconciled relationship with her.

Alfie tells everyone he's gotten a job at the Playstation factor when in actuality he's working at a DIY store. His students try to coax him into coming to the upcoming prom but he stays set on not doing so. Rosie tries to take over teaching Alfie's class but they're not fond of her attempts to mimic Alfie's teaching style.

Rosie stops by the DIY store and learns the truth about Alfie's new job. She even brings the students to the store to try to bait him back but he says he won't. At Prom, Stephen arrives in fashion as Stephanie Fierce and one by one, all of Alfie's students arrive.

Alfie grows tired of the bullying he receives from his coworkers so he quits and heads to Abbey Grove's Prom. He and his students head back to their class to say their goodbyes. They all tell Alfie how it would be a shame to deny other students the opportunity to have their lives changed just as he has done for them. One by one, they leave as their parents come to pick them up. After they're gone, Alfie watches the slideshow they made for him and becomes emotional looking back on the time he had with them. In the next Autumn term, Alfie and Rosie return to Abbey Grove to begin a new journey as teachers.

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Alfie and Grayson are still suffering through their parents dating one another. Grayson expresses his frustration of the situation by playing cruel practical jokes on Alfie.

Fraser finds that Alfie hasn't ever passed his biology GSCE and isn't allowed to teach until he passes it. He has to sit through the lesson taught by Ms. Gulliver and sit through the exam and take it with his pupils. Fraser, meanwhile, is making preparations for the end-of-exam party.

Alfie and Grayson's bickering leads to a parent-teacher conference. Alfie is sympathetic when he sees the Grayson's mother values her pedigree Chihuahua more than her own son. Alfie needs to prove to Ms. Gulliver that he can motivate his class and lead them to success, but decides that his best option is to cheat. He teaches them several methods of doing so, to be used in the exam. His last and final resort method is to "phone a friend," who will call the school and say that his grandmother has been in a terrible accident. For that method, he decides to recruit the help of Mitchell, who is currently locked up.

Meanwhile, Martin Wickers is babysitting his girlfriend's dog. It's quite the chore, as he has to feed the dog using a false breast like when men decide to realistically breastfeed.

Unfortnately for Alfie, the infamous Mr. Hewston will be overseeing the exam. He's strict as can be, and uncovers all the various methods that students were hoping to cheat and disposes of them before they were let inside. Alfie and Grayson then go into the restroom to set off the smoke alarm so Alfie can plant the box of tissues on Hewston's desk that will be used for cheating.

When the exam starts, Hewston undermines all the remaining methods in place to cheat. Alfie's last resort is to go to the bathroom to access the phone to call Mitchell but upon retrieving, it has almost no battery left and then he drops it in the toilet. Mitchell ends up making a call to the school anyway, posing as the hospital. A message is delivered to Alfie in the exam but it's not about his grandmother, it's a prank one saying that despite running several tests, "we still can't find your cock." Joe ends up passing out at the completion of the exam. Once he wakes up, he tells Alfie to distract Mr. Hewston and he'll get rid of the papers. But Joe actually ends up swapping Alfie and Xing's cover-paper.

Alfie tries to tell Xing the truth about what happened, reminding her about how she had said she didn't want to do well on her Biology exam because she wanted her parents to love her for herself and not her grades. But then Xing says that this will definitely happen, as she has just deliberately torpedoed her exam.

Cleo inadvertently kills Martin's girlfriend's dog by throwing the bag it was in onto the bonfire, after thinking it was just Stephen's book bag. Martin had grown sick of the dog's snoring and had put it in Alfie's classroom.

Ms. Gulliver warns everyone to back away from the bonfire, as Fraser has purchased some highly dangerous flairs from a Chinese pirate, as he had believed they would be festive fireworks. But before they go off, Grayson throws the exam booklets onto the fire, having stolen them from Hewston's car. Martin and his girlfriend's relationship ends after she learns what has happened to her dog.

A week later, everyone sits down to take their exams over and Alfie goes down the line and marks each letter in the same column for all the answers.

Bad Education airs on Tuesdays on BBC Three at 10PM.

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Martin Wickers is teaching Alfie to drive but Alfie gets distracted when Martin begins talking about his upcoming sexcapades, causing him to run over the school caretaker Pod. The school begins fundraising for a surgery for Pod. Alfie takes it upon himself to help Pod take care of himself with cleaning himself and the chores around the house.

Rosie arrives at school in Richard's ambulance, which she has after he showed up to visit and drank himself out of his ability to drive home. Richard is also shown to have left his phone in the ambulance. The school raises over a thousand pounds for Pod's surgery.

School bully Grayson is transferred to Alfie's class, as no one else wants him in their class. Alfie wants to prove to Rosie that he can reform Grayson but then decides to enlist Grayson's skills to break into the ambulance and snoop through Richard's mobile. But then Grayson decides to take the ambulance for a joyride. Grayson has Alfie put the paramedic vest on and Stephen suggests Alfie try texting Rosie with Richard's phone to try to find out if there is more going on between then. The text replies make him believe Rosie lied about not being involved with Richard but he doesn't realise it's actually Martin replying, as he found the phone after Rosie misplaced it at school.

When Grayson parks the ambulance, Alfie is mistaken for a paramedic. There's a man struggling to breathe that keeps saying "pen." Alfie decides to perform a makeshift tracheotomy using a pen tube, after which Grayson says he has found the man's epi-pen in his bag.

Xing, Chantelle, Joe, and Stephen are still in the car and spot Pod walking about, who is not at all paralysed and runs away upon realising he has been seen.

Alfie and Grayson flee when the real medics arrive. The other pupils try to tell Alfie what they have seen about Pod but Alfie doesn't believe them. Grayson decides that the best way to cover up what they have done is to torch the ambulance.

Grayson later pretends to make Alfie look good in front of Rosie as an opportunity to swipe the key to the lock box off of him. Rosie catches Alfie when he's confronting Grayson about his attempts to steal the cash. At the assembly, the pupils get into an argument with Alfie over Pod faking his paralysis. Joe blurts out the truth regarding their stealing the ambulance and going for a joy ride. Alfie punches Pod in the legs repeatedly to prove the truth of the paralysis and the argument carries on until Rem Dogg pour hot coffee onto Pod's legs, causing him to scream and stand up.

Finally, Alfie confronts Rosie about the sexts between her, leading him to get caught for having Richard's phone. This argument is taking place in front of Grayson and Martin. Rosie says she lost her phone so Grayson tells him to call the number, and Rosie's phone goes off and explores Martin.

Martin and Alfie go out for dinner and it's revealed that Martin's new girlfriend is Grayson's mother. Alfie and Grayson are now on the way to being stepbrothers. Also Martin has pulled some strings to keep Grayson from getting expelled for his latest indiscretion.

Bad Education airs on Tuesdays on BBC Three at 10PM.

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Alfie is horrified to learn that Fraser has hired Preet to be the school's replacement P.E. teacher. Preet's fresh out of prison but Fraser believes everyone deserves a second… or third chance. Alfie passes out the sports assignments for Sports Day at random to his pupils. He then learns that Rosie's ex, Richard, will be coming to Sports Day and Alfie decides that he needs to take the opportunity to outdo him. Alfie and Rosie are still on a break.

Stephen suggests to Alfie that he challenge Richard to an endurance event at Sports Day. He has Preet give him and his pupils a crash course on fitness, as he used to be a personal trainer and will be designing the endurance event. This involves several exercises and Preet repeatedly tackling Alfie to the ground. Meanwhile, Joe is worried about having to compete against school bully Grayson in the hurdles.

At Sports Day, Alfie's father ends up getting along great with Richard. The endurance track set up by Preet is highly dangerous, including attack dogs and barbed wire. Before the hurdles event, Joe has a green paint grenade go off, courtesy of Grayson. But Grayson doesn't win the event, while Joe spends the whole event roaring while running through the hurdles. There's also been a steroids story going through the school but Xing later admits to Alfie that she made the story up just to make her story seem more interesting. Alfie believes that Richard has an unfair advantage when he mentions having a secret weapon so he and Xing go snooping in the locker room. Alfie finds a bottle of pills which in Richard's bag, which he believes to be steroids. He takes one, and downs the rest after Xing leaves but is caught by Preet, who had been on the toilet with the door open. Preet tells Alfie how he had wanted revenge on him when he was sent to prison but then shows him a sketchbook he has as part of his art therapy which is filled with homoerotic drawings of Alfie, or Alfie and Preet together.

When Alfie tells Richard about the pills, Richard admits that the pills were Viagra. Being an older man, he feels he needed some help and had hoped to become friends with benefits with Rosie. The clock is ticking till the pills kick in so he insists Preet hurry up and start the race. Alfie begins speeding through the race but has to drop to the ground and crawl to hide his erection, which allows Richard time to catch up. Preet tries to shoot Richard with the tranquilliser gun as he and Alfie are racing to the finish line but ends up shooting Alfie instead. Richard gives Alfie mouth-to-mouth to get him to start breathing again and then Alfie's erection becomes visible to everyone gathered around. He confesses how he tried to cheat but mistakenly took Viagra instead. Richard is forced to admit his "plan to succeed" plan, and a furious Rosie slaps Richard before storming off. Also, Preet is arrested.

When the photo-finish comes in, Alfie is revealed to have won the race "by a head." Xing is thrilled, as it has become the highest-selling edition ever and Alfie has saved the paper. She happily tells him that everyone is reading it, and Alfie responds with an embarrassed, "Great."

Bad Education airs on Tuesdays on BBC Three at 10PM.

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