Continuity mistake: The university that gunner Graham was educated at varies from Oxford to Cambridge. He's only got a single degree, so can't have gone to both.
It Ain't Half Hot Mum (1974)
Episode list - season 1
Starring: Melvyn Hayes, Windsor Davies, Don Estelle, Donald Hewlett
More mistakes in It Ain't Half Hot Mum
Trivia: Jonathan Ross appears in this episode as an uncredited extra, he's a soldier in the demob centre.