A Bertie Wooster anecdote

Three deaf men sit on a train, which makes a stop.
"Is it Wembley?", one of them asks.
"No, it's Thursday," another answers.
"Me too! Let's have a drink!", exclaims the third man.

An anecdote told by Bertie Wooster to a roomful of aunts,
with a lamentable lack of success.
And I know it's not PC. Sorry.