INFO NUGGET: Carry On Behind is the 27th film to be made in the series and was released in British box offices in 1975. Peter Butterworth follows a similar character to Josh Fiddler in this film but now he's Barnes an odd job man who lets out his caravan to the two professors hence the line "I'm keeping a dirty caravan. I'm looking for scrubbers. I'm keeping birds in my caravan." Patsy Rowlands plays the daughter of Joan Sims (mummy) who we later discover is the estranged wife of Barnes.