The final episode ended on a dream sequence in which one of the characters Angel Samson, played by Jane Asher, had thought up the whole thing.
Still photographs would be used to illustrate Kings Oak and its locations during episodes; places used for these pictures included Bournville, Yardley and Sutton Coldfield.
In 1970 Crossroads' production company, ATV, furnished the serial with the use of an outside broadcast unit to use for a limited number of episodes a year.
The hamlet was originally inhabited by foresters who built their huts at the easiest crossing point for the River Slotter, which runs through the centre of "Kings Oak".
Other locations in the village include the Fairlawns Hotel, Crossroads Motel, Ravoli Cinema, Robins Warehouse and a small police station.
In an unusual coincidence however, Julia Burchell, who played Nicola Russell in the revived series, comes from Tanworth in Arden, the original filming location.