Porky's

S5 E7: It's Christmas Eve and Ben has gone to buy food, he comes back with no meat, but admits to having won a pig in a raffle... a live pig! They keep the pig in the back garden, and feed it to keep it quiet, not realizing it's eaten them out of house and home. They decide to return it to the wild, however, its grown attached to them and won't leave the van.