Corrected entry: At the end of the episode, all are drinking poisoned wine. When they have drunk the wine, everybody falls off. When they show BlackAdder, one of the man lifts his head up. He's supposed to be dead.
Corrected entry: How come 'Mr Key' could open the door? Are Mad Gerald's teeth exactly the right shape to fit or something?
Correction: In 1400's door locks were bigger, so "Mr Key" would fit in the lock and open the door.
Blackadder: I remember Massingbird's most famous case - the Case of the Bloody Knife. A man was found next to a murdered body. He had the knife in his hand, thirteen witnesses had seen him stab the victim and when the police arrived he said 'I'm glad I killed the bastard.' Massingbird not only got him off, he got hom knighted in the New Year's Honours list, and the relatives of the victim had to pay to get the blood washed out of his jacket.
Back and Forth: When Blackadder first goes into the time machine to get the items from Baldrick, and the door goes up, you can see a crew member pushing the door closed, wearing a red shirt.
There are in fact two versions of the bonfire scene. Although most countries use the intended censored version (where somebody coughs right as Edmund says the F word) there are a few US editions where you can hear him swearing uninterrupted.
7 mistakes in Beetlejuice you never spotted
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Correction: However, as was shown in a previous scene (with one of the members of the Black Seal), not all people are killed outright by one cup of poison and survive for a short while after.