Continuity: At the very end of the episode, when it shows you all the dead bodies, you can see Queenie to the right for a few seconds. The dagger she is holding is pointing upwards. Then there is a close-up of Queenie, who then talks back to you in Prince Ludwig's voice, and the dagger she is holding is now pointing downwards.

Continuity: When Blackadder and Melchett are about to punch the German guards in the groin, Melchett has his hand on a paper. When it cuts his hand is no longer on the paper.

Continuity: Right at the very end, when everyone is lying dead on the floor, Stephen Fry's eyes are still moving.