Steed and Dr Keel return to action in these four recreations of classic lost episodes.1 The SpringersWritten by John Whitney and Geoffrey Bellman, adapted by John DorneyGuest cast: Miranda Raison, Dan Starkey, Sarah LarkSteed and Keel go undercover to try and crack a prison escape route.2: The Yellow NeedleWritten by Patrick Campbell, adapted by John DorneyGuest cast: Geff Francis, Maggie Service, Derek Ezenagu, Jacqueline BoatswainAn attempt is made on the life of Sir Wilberforce Lungi, the Prime Minister of an African country on the verge of independence, and Steed and Keel attempt to expose his enemies.3: Double DangerWritten by Gerald Verner, adapted by John DorneyGuest cast: Dan Starkey, Angus Wright, Jessica Martin, Nicholas BriggsA dangerous attempt to discover a cache of stolen diamonds goes badly wrong, and Keel is captured by a criminal gang.4: Toy TrapWritten by Bill Strutton, adapted by John DorneyGuest cast: Philip Pope, Geoffrey Breton, Harriet Hare, Derek HutchinsonKeel is charged with keeping an eye on the daughter of a friend. But it soon becomes clear that all is not well at her place of employment, a department store in London...