Sybil goes into the hospital for toe surgery, leaving Basil to cope with a fire drill single-handed. After a couple of blows on the head, Basil tells some German guests where Germany went wrong in WWII.

The health inspector is coming and Basil tells Manuel to get rid of his pet rat, which he later finds out is named Basil.

A selectively deaf woman named Mrs Richards insists that she has had a large amount of money stolen at the hotel, and against Sybil's wishes Basil puts a fiver on Dragonfly.

A psychiatrist and his wife come to stay and Basil thinks Sybil is telling them all about his life.

Sybil leaves before Basil's surprise anniversary party and Basil spends the evening trying to convince their friends she's ill.

An American and his wife get unsatisfactory service at Fawlty Towers when he orders a Waldorf salad, after the kitchen has closed.

The Fawltys take a holiday and leave Polly and Manuel to run the place just as O'Reilly's builders come to redo the lobby.

Basil wants 'none of that' going on in his rooms and suspects some guests and Polly of carrying on.