Jack Dee is put through his paces at the Lea Valley White Water Centre in Hertfordshire as he prepares for his Comic Relief challenge
Jan 22, 2013, 06:55 AM
@TheRealJackDee talks to our reporter @Tonythefish on @BBC3CR about his @ComicRelief challenge for @rednoseday
Hear the full show here: http://www.bbc.co.uk/programmes/p0132zjh