Sci-fi horror film based on the novel by John Lymington, starring Christopher Lee and Peter Cushing. When a freak heatwave sends the temperature soaring on the remote island of Fara, the locals, including Dr Vernon Stone (Cushing) and novelist Jeffrey Callum (Patrick Allen), are left dazed by the rising temperature. When Callum is reunited with his former mistress Angela Roberts (Jane Merrow), the atmosphere becomes even more tense. It is left to Godfrey Hanson (Lee), a visitor to the island, to solve the mystery of the deadly soaring temperatures.

Big screen spin-off of the Seventies sitcom. Mildred Roper (Yootha Joyce, who died shortly after filming was completed) is determined to make husband George (Brian Roper) celebrate their wedding anniversary in style, at a posh hotel in London. However, upon arrival George is mistaken by a gangland criminal for a rival hitman, and soon the Ropers find themselves up to their necks in trouble on the wrong side of the law!