1st April – No show: New series begins 15th April
8th April – No show: New series begins 15th April
15th April – David Tennant, Catherine Tate, Josh Groban
22nd April – Jennifer Hudson, Bill Bailey, kd lang
29th April – Miranda Hart, Jack Whitehall, Adele

Friday’s premiere is usually repeated late on Monday night on BBC1.

Updated 18th May 2011.