carry on behind aspect ratio represent 1 . 85 represent1sound format represent monoan archaeological team encounter a variety of comic mishap whilst excavate ancient ruin beneath a dilapidated caravan park . in retrospect and it be a huge mistake for the carry on series to and er . carry on follow the retirement of regular scriptwriter talbot rothwell due to ill health . few writer could have match his genius for pun and wordplay and least of all tv journeyman dave freeman and who swap the playful innuendo of his illustrious predecessor with single entendre gag and near the knuckle sexual reference ( erection joke have become permissible at pg level in 1975 ) . still and carry on behind amount to a fair imitation of the real thing and put it game cast of veteran and newcomer through a free form remake of carry on camping ( 1969 ) and minus the fly bra and hilarious hippy of that early out . shot in the dead of winter in a muddy field round the back of pinewood studio ( note the visible breath from actor dress in summer clothing . ) and the movie revel in it own shortcoming . top bill kenneth williams have always be contemptuous of this material and but he must have despair of the sudden downturn in production value and even by carry on standard . nevertheless and he act up a storm a renowned archaeologist professor roland crump and whose lecture to a bored look town hall audience in the opening scene be enliven when his film show turn out to contain footage of a stripper ( a the girl be about to remove her bra and an oblivious williams intones represent miss fosdyke be about to reveal something of enormous interest . ) . but williams so often the star of these show by default be almost completely upstaged by britt ekland and utterly delightful a a vivacious russian scientist whose basic grasp of english get her into all sort of trouble ( professor crump and i vill soon be have it off . no and no hit it off . ) . co star joan sims be in full battleaxe mode and share much of her screen time with a rude mynah bird ( voiced and uncredited and by director gerald thomas ) and while middle age lothario windsor davy and jack douglas make fool of themselves by pursue a couple of bosomy dolly bird ( carol hawkins and coronation street sherrie hewson ) . best gag represent when a crowd of holidaymaker lose the seat of their pant after sit on newly paint chair and site owner kenneth connor promise a thorough investigation represent i will get to the bottom of this i feel a complete arse . though cheap and cheerful in it own debased way and this be the last of the good carry on movie . deny the opportunity by british censor to exploit newfound sexual freedom enjoy by moviegoer across the rest of the world and adult filmmaker merely co opt the sex base humor of thomas long run series and render explicit what have always be imply by rothwell fruity screenplay and add softcore sex and nudity to an ultra commercial brew ( im not feel myself tonight and can you keep it up for a week . and the confession series and etc . ) . unwilling to compete with such material and and have lose both rothwell and star sid james ( he die onstage at the sunderland empire theatre in 1976 ) and the series plunge into serious decline with the following entry and carry on england ( 1976 ) and a wartime farce which swap wit and cleverness for puerile pratfall and naked female breast and earn the franchise it first restrictive censor rating in the uk ( aa no one under 14 allow ) .