Keith Lemon is back with a fourth series of Through the Keyhole. Join Keith as he rummages around three mystery celebrity houses unearthing clues for the studio panel to guess ‘who habitates in a house like this.' On this week's star-studded panel are Radio DJ Fearne Cotton, actor Will Mellor and celebrity Judge, Judge Rinder.

Keith Lemon has a gander around three mystery celebrity homes. On the panel this time are DJ and TV presenter Marvin Humes, morning TV host Kate Garraway and comedian Jimmy Carr.