Josh attempts babysitting his new sister and charming his new housemate. As his house fills with semi-clothed twentysomethings and drunk, wary parents, Mum arrives with a sobering surprise.

Geoffrey calls Josh and they go on a date; Arnold books himself into the same mental home as Mum; Dad and Mae have their first baby panic moment; Jenny discovers Tom is still having sex with Niamh.

Patrick tells Josh he's not sexually interested in him; Josh agrees to take Mum and her friends to the zoo; Tom and Jenny have a weird rabbit funeral and break up; Arnold kisses Josh.

Patrick moves out of the house; Tom eats all of Josh's special truffled mac and cheese.

Josh's first day on the job at his coffee cart; Stuart tells Mum he's leaving.

Josh and Arnold go out dancing and bump into a very out-of-it Patrick; Arnold has an anxiety attack.