Tom meets a cute girl, Josh meets an odd boy, and a beer pong game gets really weird at a party. Mum is admitted to a psych hospital; Josh meets her fellow patients and feels strangely at home.

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.

Claire stays with Tom, Josh and Patrick; Josh asks Dad for money to pay the plumber; a cleaner catches Josh graffitiing a toilet wall; Mum and Ginger have a fight; the housemates go to see Jenny in a school production.