Continuity mistake: In "Don't Take the Micky" (3-6) Sgt. Major Williams reveals that his full name is Tudor Bryn Williams, but in this episode the name on his demob paperwork is Mr. B L Williams.
It Ain't Half Hot Mum (1974)
1 continuity mistake in season 8
Starring: Melvyn Hayes, Windsor Davies, Don Estelle, Donald Hewlett
Continuity mistake: In "Twenty-One Today" (4-8) Williams says that he grew up in an orphanage and didn't know who his parents were, but in this episode he says that his father was a coal miner in South Wales.
Trivia: Jonathan Ross appears in this episode as an uncredited extra, he's a soldier in the demob centre.