The Calculus Affair: Part 1 - S1-E12
Continuity mistake: Snowy finds a bone. He bites down on the middle of it. When Tintin takes the bone off him a few seconds later, Snowy is suddenly biting the near end of it. (00:01:15)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When the rain storm starts, the part of Tintin's hair that sticks up flattens down. After Nestor appears with an umbrella and they take off running, Tintin's hair is sticking up again. (00:02:30)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: After the window shatters, we can see some of the glass still remains. A few minutes later, a man arrives at the house. When he goes to get his coat from Nestor, the glass that remained in the window has vanished. We know it's the same window because the glass is still on the floor. (00:03:50 - 00:06:00)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When the vase shatters, the remains of the vase falls onto the floor. Yet when a man walks into the house and says "Tiff with the wife, eh?", all of the remains have now ended up above the fireplace. (00:03:55 - 00:05:15)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: Haddock is handed a bottle of wine. His hand covers the label in the first shot, but the label faces away from him in the next. (00:05:40)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When the villain runs out of Calculus's lab, he drops a box of cigars. The box is dark red when dropped, light red when Tintin notices it, and dark red again once Tintin picks the box up. (00:11:30)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When Tintin and Haddock arrive at the hotel, they start talking to the guy at the counter. They ask about Calculus and the guy turns his head to the keys. The next shot shows him looking at the key to 122. If you look in the previous shot, you see the key hook for room 122 are in the far background. (00:12:35)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When Professor Topolino talks to Tintin and Haddock at a table, there is a wide shot showing Haddock looking downwards. In the next shot, Haddock is suddenly looking at Topolino. (00:18:00)
The Calculus Affair: Part 1 - S1-E12
Continuity mistake: When Tintin says to Topolino that the man impersonating Calculus was an impostor, there is a cigarette in an ash tray that doesn't have the logo on the cigarette. The shot cuts and the logo suddenly appears on the cigarette. (00:18:20)
Chosen answer: It is a pill that makes alcohol taste disgusting.