Continuity mistake: During the introduction, the snake tries to get away from someone who is supposedly Blackadder. He gets the snake. It's head is above a black tile. There is then a close-up of the snake, Blackadder wags his finger at it. It is now above a white tile.
Continuity mistake: While Mary Jo and and Carlene are talking about Dr. Hacker, Julia comes in and walks over to the other women empty-handed, but a cup suddenly appears in Julia's hands between shots. (00:02:30)