Fawlty Towers: Season 1, Episode 4 - ProjectFreeTV

1 - 4: The Hotel Inspectors

When Basil hears of hotel inspectors roaming Torquay incognito, he realises with horror that guests he has been abusing could easily be among them. Basil becomes increasingly obsessed with trying to determine which guests are hotel inspectors, but his suspects turn out not to be, to his frustration.