Stuck on the A3, Sue tries to keep the peace in a car that contains a new-age auntie, a bewildered grandfather, three fractious kids and several full bladders.

Meanwhile, dad waits outside the headmaster's office, following an ill-judged joke involving obesity and Ramadan.

Later at the urban farm, discussions about death, heaven, racism, bird flu and granddad lead to raised tempers, which boil over in the living hell that is a gift shop.

As a hectic day draws to an end, mum and dad look fondly at their sleeping kids in the back of the car and have a brief moment of contentment - until they notice that Ben's acquired a new friend.