The Scissor Sisters rub shoulders with the likes of Madonna, Jennifer Aniston, Rowan Williams, Albert Steptoe and Ricky Gervais on the impressions show. Plus Tony Blair regenerates into David Tennant.

Impressions in this edition include Ricky Gervais and Stephen Merchant, plus Ozzy and Sharon Osbourne, Tessa Jowell, Melvyn Bragg, Peter Andre and James Nesbitt.

In Life on Mars, Sam Tyler discovers the real reason he's back in 1973. David Dimbleby interviews Osama bin Laden on his 50th birthday. Lily Allen sings about how great she is. In another deleted scene from Casino Royale, James Bond has trouble with the gadgets in his car.

Gordon Brown takes lessons in being human. The Torchwood team investigate their latest case and Pete Doherty sings about being famous. Plus deleted scenes from Casino Royale, starring Daniel Craig and Judi Dench.

The impressionists lampoon BBC crime drama Waking the Dead. Plus Helen Mirren makes an Oscar acceptance speech and Rolf Harris discusses urban art.

A chance to see Take That as you've never seen them before. The impressionists also have fun with Ray Winstone, Jane Fonda, Alan Carr, Russell Brand and Ken Livingstone.