Carry on Camping (1969)

Director: Gerald Thomas
Cast: Barbara Windsor, Bernard Bresslaw, Charles Hawtrey, Hattie Jacques, Joan Sims, Kenneth Williams, Sid James, Terry Scott

Synopsis:

Sid and Bernie keep having their amorous intentions snubbed by their girlfriends Joan and Anthea, so when they decide to take them on a holiday to Paradise Camp, they think they’re off to a nudist colonybut they couldn’t be more wrong, and meet up with the weirdest bunch of campers you can imagine.