Diana takes the kids to Africa, leaving Jimmy in charge. Upon return, there's a surprise in store: Jimmy's buried under a pile of pizza boxes.

Jimmy accidently sees Diana naked in the shower and Molly takes advantance of his shock by gettting him to agree to her having a tattoo. Meanwhile, Alex takes an aptitude test and the results indicate that accountancy is an appropriate career.

Jimmy plans a poker game with Kev, Siobhan and Bobby, but when Bobby drops out, Diana steps in and, with a little inside info, is able to see through Jimmy's bluffing. Meanwhile, Molly is eager to look better than rival Becky in the school photograph.

Jimmy is invited out to meet Siobhan's father David, and his nerves aren't helped when Diana tags along. Soon enough, Diana and David hit it off but when Diana wants out, it's up to Jimmy to help her end things.

Jimmy's plans for a leisurely weekend are upended when Diana makes a surprising and unwelcome discovery about the past. Cue Jimmy having to run around trying to find out who was having an affair with Diana's husband before he died. Whilst the attention of the adults is elsewhere, Molly and Alex's tit for tat war starts to get out of hand.

Ann returns to announce that she's marrying Howard and that she wants Alex and Molly to join them in Africa. She even moves in, evicting both Jimmy and her own mother!

Diana's friend Pam seeks a home decorator so Diana sends Jimmy and Kev to her, causing nothing short of chaos.

After a trip to hospital for rupturing himself at work, Jimmy reveals feelings no one knew he had — least of all Jimmy himself.

Jimmy and Diana join forces to give the kids a normal, traditional family Christmas – but this is not a normal, traditional family! Meanwhile, the school play puts everyone under pressure.