The Adventures of Sir Lancelot is a British television series first broadcast in 1956, produced by Sapphire Films for ITC Entertainment and screened on the ITV network. The series starred William Russell as the eponymous Sir Lancelot, a Knight of the Round Table in the time of King Arthur at Camelot.

Henry Clavering suspects his second wife Bertha is trying to drive his daughter (by his first marriage) insane, to stop her inheriting his money. He decides to use his yoga skills to pretend to be dead, and thereby expose her villainy.