Revealing mistake: When Barbara Windsor is fighting Margaret Nolan in the Hotel Lobby, they jump onto a sofa and it falls backwards. If you look carefully, the lady seated on the sofa can be seen helping it fall backwards with her foot.
Revealing mistake: When we see a view of the babies crying after Mr Bumble starts shouting after being humiliated at the plaque unveiling at the nursery, you can see the nearest baby is a doll.
Revealing mistake: When we see Hope Springs on her motor cycle drive out of the Pier to catch up with Sidney Fiddler on his go-kart, you can see that it is not Barbara Windsor but her stunt double.