The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: When Sakharine wakes up, Tintin runs to him and the detectives trip up. They are next to the door. In the next shot, we can see the door, but none of the detectives. (00:29:10)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: When Captain Haddock approaches Thomson and Thompson, their hair is all messy. About 2 shots later, their hair is neatly combed. (00:28:35)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: Sakharine is lying on the floor when they find him presumably dead. But when Thomson and Thompson run out of the room, Sakharine has disappeared. (00:28:20)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: The mast on the Unicorn model Sakharine has changed color when Tintin and Haddock find it, from beige to grey. (00:27:40)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: Tintin, Haddock and Snowy are walking down the street and Haddock says he's going to be rich and tosses his hat in the air. There is a lamppost right next to Tintin. A man then opens his window, telling Haddock to keep the noise down and Tintin is suddenly standing about a foot away from the post. (00:26:20)
Chosen answer: It is a pill that makes alcohol taste disgusting.