The Belles Of St. Trinians: Joyce Grenfell takes the lead as a clumsy young police sergeant gone undercover to investigate the dubious goings on at Millicent Fritton's establishment for young ladies which turn out to include the use of a chemistry lab as a liquor distillery and low tactics on the hockey field which are rather less than jolly! (Dir. Frank Launder 1954) Blue Murder At St. Trinians: The anarchic schoolgirls head to Rome having won a UNESCO prize trip where they become unwittingly involved with a jewel thief... (Dir. Frank Launder 1957) The Pure Hell Of St. Trinians: Those outrageous St. Trinians girls are back with a vengeance in the second sequel of anarchy and chaos. A rich Arab Sheikh visits the school hunting for gym-slipped recruits for his harem which might explain the sudden interest in geography lessons. However he doesn't know what he's let himself in for! (Dir. Frank Launder 1960) The Great St. Trinians Train Robbery: A bunch of criminals infiltrate the school and plan to use the dubious educational establishment to stash the loot. But the train robbers fall foul of the schoolgirls and their need to have a good time causing havoc! (Dir. Sidney Gilliat/Frank Launder Colour 1966)