Continuity mistake: The actress loads her 35mm Praktica camera with Kodak film. That's not really strange, but the film is situated in 1968 around the invasion of the Russians in Prague. The film cassette is clearly visible as having DX coding on one side for setting the film speed automatically. This feature had yet to be invented in 1968, because it was released in the early 80's.
Continuity mistake: When Darcy throws her bridal bouquet, the direction is to the left of the church, yet in the next shot, a girl at the top of the church steps is waving it in the air.
Continuity mistake: In the scene in the Jaguar when they get the BBC bulletin that the farm has been found, there is a Hillman Super Minx immediately behind them. Next shot it is missing but returns later.
Continuity mistake: Graham is on the bed as it comes crashing down the stairs. He proceeds to disappear, reappear, disappear in the group shot and then finally reappears once again. (00:26:35)
Continuity mistake: Michael Manfield (Danny Pope) walked to the Phillips' house for the in-house music presentations, but on his way home when he was sitting by the lake, his bicycle was on the ground. There was no indication that he had gone home first - he was throwing away the hat he took from Lorna's room, and he was still wearing a tie. (00:38:51 - 00:42:52)