Steed and Dr Keel return to action in these four recreations of classic lost episodes.

1: "Ashes of Roses", written by Peter Ling and Sheilagh Ward, adapted by John Dorney. Carol goes undercover at a hairdressing salon, which appears to be at the centre of an arson ring.

2: "Please Don’t Feed the Animals", written by Dennis Spooner, adapted by John Dorney. Steed takes on blackmailers who are extorting secrets from government officials.

3: "The Radioactive Man", written by Fred Edge, adapted by John Dorney. Someone is at large in London, unwittingly carrying a radioactive isotope.

4: "Dance with Death", written by Peter Ling and Sheilagh Ward, adapted by John Dorney. Dr Keel is framed for murder, and Steed investigates a dance school.