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 Feely 5.2 Girl on the Trapeze by Dennis Spooner, adapted by Rae Leaver 5.3 Crescent Moon by Phil Mulryne, from a storyline by Geoffrey Bellman and John Whitney 5.4 Diamond Cut Diamond by John Dorney, from a storyline by Max Marquis