Josh is surprised to find he's living in a romcom; Josh till can't seem to win Arnold over.

Josh, Tom and Hannah finally get to meet Arnold's parents; Arnold makes his big coming out announcement.

Josh, Tom and Arnold have a night to remember as they experiment with drugs, head to a nightclub, meet the intriguing Ella and end up spending a surprising night in hospital.

As the boys recover from their big night, Claire arrives home from Berlin; Josh finally admits that his pet chicken is a rooster.

Tom and Ella make a nervous trip to the dentist; Josh and Claire have to deal with a decision that makes them realize they're growing up fast; Mum plots revenge when she learns Stuart is still seeing his wife.

While Arnold is away at a maths summit, Josh takes advantage of his new open relationship status by hooking up with a stranger; Tom challenges Josh and Claire to smash his piñata.

Josh agrees to visit Ben in hospital before his brain surgery, but keeps it a secret from Arnold; Tom discovers he has chlamydia and goes to ridiculous lengths to try and treat Ella without losing her.

As Josh waits to hear if Ben survives his surgery, Josh, Tom, Claire, Ella and Arnold find themselves stuck in the cabin of a giant observation wheel.

Christmas orphans Tom, Arnold, Ella, Claire and Hannah crowd around the table with Josh's family for a festive lunch.