Now we don t want to start Christmas like this, do we?Cheating at snakes and ladders, fighting over comic books, a bungled infidelity beneath the tree. Christmas has arrived in the Bunker household along with family and friends. But as the children lurk just out of sight, it s the adults who are letting the side down. I couldn t. Not in our sitting-room. Not in front of the television. Somewhere else. Presiding over the festivities are two warring uncles, one a kindly, incompetent doctor with an interminable puppet show to perform; the other a bullying retired security guard who dominates the TV, brings toy guns for his nieces and determines there s a thief in their midst. Alan Ayckbourn s masterly Season s Greetings offers a seriously entertaining look at the misery and high jinks of an average family Christmas. The play opens at the National Theatre, London, in December 2010.Three times I caught him at it. Ripping open presents, helping himself to the contents.