 Despite being a fake, it was still worth about £6,000 and only one was made, meaning the scene could only be filmed once.It was initially intended that this would be the final scene in the episode, so after the incident Jason and Lyndhurst were required to stand and stare at each other in silence for 30 seconds while the camera rolled.Lyndhurst later recalled that Butt threatened to sack him if he ruined the scene by laughing.