Steed and Dr Keel return to action in these four recreations of classic lost episodes:5.1 Nightmare by Dan Starkey, from a storyline by Terence Feely5.2 Girl on the Trapeze by Dennis Spooner, adapted by Rae Leaver5.3 Crescent Moon by Phil Mulryne, from a storyline by Geoffrey Bellman and John Whitney5.4 Diamond Cut Diamond by John Dorney, from a storyline by Max Marquis