Continuity mistake: At the end when everyone is in the dining room in heaven, Mr and Mrs Brown (The Liver Donaters)are sitting at a table in the foreground. The dinner guests walk down the steps and the camera angle changes. You can see that a different man is sitting opposite Mrs Brown where Mr Brown should be.
Continuity mistake: During the "Crimson Permanent Assurance" short film at the start, watch when the old men are climbing out of the windows on to the scaffolding. One of the men drops his sword as he goes out the window, but when the scene switches to the outside view of the same man climbing out, he is holding it in his hand.
Continuity mistake: During the scene at the end where the Grim Reaper comes to take away the dinner guests, Eric Idle leads the reaper into the room. Graham Chapman is walking behind Michael Palin sitting down. When the camera cuts to Michael, Graham is nowhere to be seen. Then when the camera cuts back, he is standing there again.
Continuity mistake: The third time that Mr. Creosote vomits - watch the table behind him that Graham Chapman is sitting at. They all change positions slightly during the next shot of them. This is most noticeable on the man sitting nearest the camera. In the first shot, he is holding a napkin, in the second shot he isn't.
Continuity mistake: When the search party are walking through the forest, two Zulu POWs are carrying the injured man's bed at the front, and a guard and the doctor are carrying it at the back. When they come into the clearing, the Zulus are nowhere to be seen and the doctor and the guard are at the front. Whats more, when they start shooting at the "Tiger" the doctor pulls out a gun and starts firing.
Continuity mistake: During the sex education lesson, the headmaster catches Wadsworth watching the football match and he is told to move to a desk behind another pupil. When the headmaster asks Watson to name two ways of getting vaginal juices flowing, Wadsworth is back at his original desk, and when Wymer gives an answer, he has changed places again.
Continuity mistake: When the headmaster makes Biggs play in the rugby match after he catches him laughing during the sex education class, the pupil at the front desk turns his head around and looks at the front. In the next shot, he has turned his head around again and is now looking directly at Biggs.
Continuity mistake: in the creosote scene after the cleaning woman comes in and creosote vomits over her back the first time Eric Idle walks away with the fresh bucket brought over for creosote then the camera changes not only has the cleaning woman moved 1-2 meters over and changed directions but the bucket has appeared where she was and has filled.