Carry On Again Doctor is a 1969 British comedy film, the 18th release in the series of 31 Carry On films (1958–1992). It was released in December 1969 and was the third to feature a medical theme. The film features series regulars Sid James, Kenneth Williams, Charles Hawtrey, Joan Sims, Barbara Windsor and Hattie Jacques. This was Jim Dale's last Carry On appearance for 23 years until his return in Carry On Columbus. It also marks the debut of Patsy Rowlands to the series in her first of 9 appearances. Alongside James, Rowlands who also appears in the ITV sitcom Bless This House from 1971 to 1976. The film was followed by Carry On Up the Jungle in 1970.

Plot

At the Long Hampton Hospital, Dr Jimmy Nookey seems to attract trouble, beginning with an incident where he enters the women's washroom by mistake, frightening the highly-strung Miss Armitage out of her senses. Nookey's carefree manner is not to everyone's liking, with Dr. Stoppidge wanting Nookey sacked for the washroom incident. Accident-prone Nookey then quickly falls in love with a film star patient named Goldie Locks. During some misadventures with the X-ray machine, Nookey triggers a massive short circuit in the hospital's electrical system, resulting in more mayhem. With the sympathetic Matron and his moody boss Dr. Frederick Carver now watching his every move, Dr. Nookey drinks, at a staff party, a fruit punch spiked by jealous Dr. Stoppidge. The drunk Nookey, after almost getting into bed with a patient, ends up on a hospital trolley which crashes through a window. Goldie leaves him because he is not interested in marriage. Meanwhile, Carver and his rich patient Ellen Moore, dispatch the disgraced Nookey to Moore's medical mission in the Beatific Islands, where it rains for nine months of the year. Nookey discovers Gladstone Screwer, the local medicine man, who has a weight-loss serum. Nookey soon returns to England and opens a new surgery with Mrs. Moore, angering Carver. While Matron joins Dr. Nookey's clinic, Carver and Stoppidge plot to try to steal the serum. Stoppidge dresses as a female patient to effect the theft, but his luck runs out when Nookey catches him in the act. Goldie returns to take the serum, much to Nookey's chagrin. Gladstone quickly discovers that Nookey is making a fortune from his serum, and cuts off his supply to deliver the product in person and get in on the action. Nookey prevaricates, so Gladstone gives him a dose, which seems to cause sex changes. The movie ends with Nookey and Goldie getting married at the Moore-Nookey-Gladstone-Carver facility, and the rest of the staff of the Long Hampton Hospital becoming friends again.