Tennant and Tate together again

David Tennant is reuniting with The Runaway Bride co-star Catherine Tate for Comic Relief but probably not as the Doctor.The BBC press office says Tate has teamed up with Tennant and Lenny Henry plus other surprise guests for some new sketches.Red Nose Day 2007 - on Friday, March 16 - will also see Simon Pegg (The Long Game), Davina McCall (Bad Wolf), Trinny Woodall (Bad Wolf), Maureen Lipman (The Idiot's Lantern) and Peter Kay (Love and Monsters) involved in the fund-raising drive to help vulnerable people in the UK and Africa.It is being screened on BBC1 from 7pm to approximately 3.05am on Saturday, with a 35-minute break for the news at 10pm.