Regular panelist Dave Berry is joined by ex-EastEnder and Carry On film lovely, Barbara Windsor, and actor and comedian Julian Clary in this festive edition to try to work out whose house Keith's snooping round.
Three celebs have let Mr Lemon have free-run of their homes – even though he usually makes a terrible mess!
Will his cryptic clues help the panel work out whose house it is? And what secrets will we find out about the stars that live there?
Through The Christmas Keyhole, ITV, 9.30pm
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