 Series 1–6 were produced and directed by Duncan Wood, series 7 by John Howard Davies (apart from "Divided We Stand" which was directed by David Croft as Davies was ill), the 1973 Christmas Special by Graeme Muir, and series 8 and 1974 Christmas Special by Douglas Argent (with "The Seven Steptoerai" being co-directed by Mike Crisp).All episodes were written by Ray Galton and Alan Simpson.Series 7–8 are regularly repeated on Gold.