Continuity mistake: When Robbie is hitting golf balls the balls are lined up in rows of five. When Robbie is down to the last two rows, only twelve balls are lined up, some of which Robbie hits twice, but twenty balls land in the garden, later on when Mr Parsons hands the balls in a bag to the policeman there are more than twenty balls in the bag.
Continuity mistake: When the producer tells everyone to get in their places, as the show is about to start Brains is standing next to Robbie, the angle changes and Brains is sitting on the bench with the rest of the gang.
Continuity mistake: When the TV show is about to start, the producer tells everyone to get in their places and the gang sit down in a row. Tiger is about to sit at the left end of the row, the angle changes and she is sitting at the right end of the row, without having had any time to move.
Revealing mistake: When Robbie is firing the golf balls at Frank Thornton one goes in his mouth - it's obvious by his head movements that Frank is actually spitting the golf ball out and the film is reversed.
Continuity mistake: When Robbie the Robot starts hitting the golf balls with the club, between shots Billie's left hand changes from being on her hip to the back of her head.