Tintin and the Picaros: Part 1 - S2-E8
Continuity mistake: As Haddock cleans his teeth, the news on the radio states that Castafiore was arrested so Haddock spits out his gargling water. Some of the water and toothpaste goes over his beard. But when he runs into Tintin's room, his beard is as dry as a bone, with no toothpaste in sight. (00:03:10)
Tintin and the Picaros: Part 1 - S2-E8
Continuity mistake: When the episode starts, Tintin rides into Marlinspike Hall on his motorbike. From a side angle of the bike after it has driven inside, the brace thing around the bike's wheels is black. After Haddock says "Ahoy, Tintin", the brace thing has become green. (00:01:15)
Chosen answer: It is a pill that makes alcohol taste disgusting.