After John Cleese submitted the initial script for Fawlty Towers (1975), Gilbert felt that the script was "full of clichéd situations and stereotypical characters" and that the show would be "a disaster".
You're going to have to get them out of the hotel, John; you can't do the whole thing in the hotel. (to John Cleese, regarding the first script for Fawlty Towers (1975))