The cream of UK comedy comes together at the Hammersmith Apollo in west London to raise money for those affected by the Asian tsunami. Augmenting the amusement will be impressions, sketches, dance and hypnotism - and some special guests. Hosts include Jonathan Ross , Graham Norton , Jack Dee. Dawn French, Lily Savage and Julian Clary. Continues on BBC2. Director Paul Wheeler ; Producer Alex Hardcastle Gift of laughter: page 16