Hmmm.
I've never heard of it (which, given that I only watch about 10 hours telly a month, isn't surprising) but I see that the British Comedy Guide describes it thus: "The Keith & Paddy Picture Show is an affectionate and humorous tribute to some of Keith and Paddy's favourite movies of all time".
That would put me off straight away as I hate comedy programmes that assume that their viewers have seen the films they're referencing. (French & Saunders used to do lots of sketches based on popular films and TV series, nearly all of which left me cold because I couldn't relate to their source material). Anything which assumes that I've seen Star Wars, Four Weddings, Titanic, Shakespeare in Love, Rocky, Avatar or whatever is unlikely to work for me because I wouldn't understand the jokes.