To get out of cleaning the loft with Dad and Adam, Jonny claims to have dislocated his shoulder. But when Adam discovers he's lying, he threatens to tell mum immediately.

Jim has made a cake to celebrate his dog Wilson's birthday, while the family return from a spin in Jonny's new but uncool company car to find something awful has happened to the house.

Jonny's in a pickle: he wants to split up with his 43-year-old girlfriend/boss, but he's too scared. Grandma offers him some advice, and some dancing lessons in the kitchen.