The Titanic disaster as seen through the eyes of one couple in each of the three classes on board.

Please Sir! is a London Weekend Television produced situation comedy, created by writers John Esmonde and Bob Larbey and featured the actors John Alderton, Deryck Guyler, Joan Sanderson, Noel Howlett, Erik Chitty and Richard Davies. The series ran for 55 episodes between 1968 and 1972.