The Calculus Affair: Part 2 - S1-E13
Continuity mistake: The Italian driver's car has a number plate on the left front of his car. In the shot where he drives through the bushes, no numbers are seen on the plate. (00:30:15)
The Calculus Affair: Part 2 - S1-E13
Continuity mistake: When Haddock starts to fall out of the helicopter, he tugs on a seat belt. The wall around the seat belt is red. In the next shot, the wall is blue. Then when Haddock gets back into the helicopter, the wall is brown. (00:28:55)
The Calculus Affair: Part 2 - S1-E13
Continuity mistake: As Tintin, Haddock and Snowy are running whilst being shot at, Snowy is holding Calculus's umbrella with his teeth. The handle is facing the right as this happens. However, when they are shown in the helicopter, Snowy is suddenly seen holding the umbrella with the handle facing the left. (00:28:25)
The Calculus Affair: Part 1 - S1-E12
Other mistake: When the taxi gets hit, the number plate reads "GE 7051" on the back of the car, but when the taxi falls into the water, the number plate reads "GE 7054" on the front of the car. The number plate should be the same on both ends. (00:14:55)
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: 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
Other mistake: The villains look at Calculus on his radio. In this shot, Calculus has a reflection in the mirror but his eyes don't seem to have a reflection at all. (00:03:05)
The Calculus Affair: Part 1 - S1-E12
Revealing mistake: The villains stand in front of Marlinspike Hall. The shot after a close-up of their feet shows the clouds along with a storm. Look to the lower left corner and you will see part of the grey cloud doesn't have any color on it, like the animation cell has been scratched. (00:02:50)
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 Black Island: Part 2 - S1-E11
Continuity mistake: The old Irish man has white pale skin. In the shot after the gorilla shows himself to the public, the old Irish man instantly has brown skin. (00:43:10)
The Black Island: Part 2 - S1-E11
Continuity mistake: An old Irish guy has a teal jumper whilst a middle age Irish guy is talking to a reporter. In the next shot, that man now has a blue jumper. (00:43:10)
The Black Island: Part 2 - S1-E11
Continuity mistake: After Mueller is untied, he opens his drawer and takes out a gun that is blue. Shot cuts and he then cocks a gun that is now grey. (00:41:20)
The Black Island: Part 2 - S1-E11
Continuity mistake: In the shot where the villains first exit the club's gates, the background on their number plate is yellow. After the holiday man says "Up in the trailer", the shot cuts back to the villain's car with a number plate that has a black background. (00:26:15 - 00:26:50)
The Black Island: Part 1 - S1-E10
Continuity mistake: When Tintin finds the counterfeit bank notes, there are blue bands wrapped around the notes. The bands become white when Tintin says "And it's counterfeit". (00:21:00)
The Black Island: Part 1 - S1-E10
Continuity mistake: The bullets shot in the medicine room door are in a different position on both sides of the door. (00:16:15)
The Black Island: Part 1 - S1-E10
Other mistake: Mueller tries to shoot Tintin from outside the medicine room. He ends up shooting a bottle of chloroform. After it has been shot, the "C" on the bottle's label disappears from shot. (00:16:10)
The Black Island: Part 1 - S1-E10
Continuity mistake: When Mueller begins shooting at the door, we can see there are already two bullet holes in the door despite the door not being shot yet. (00:16:05)
The Black Island: Part 1 - S1-E10
Continuity mistake: In the scene where the train stops, Tintin walks out of his cabin and finds a guy running off the train. Tintin runs after the man and opens the train door. He is then pulled back onto a train by a conductor who doesn't have a moustache. In the following shot, the conductor suddenly does have a moustache. (00:04:30)
The Black Island: Part 1 - S1-E10
Continuity mistake: When Tintin is shot by the guy in the plane, he falls and lands on his back. After the plane has left and the shot cuts back to Tintin, he is suddenly lying on his stomach. (00:02:00)
The Blue Lotus: Part 2 - S1-E9
Revealing mistake: Someone walking besides the stopped train tells Tintin the track was washed out. There is one person with a white/beige package. Part way during the shot, an eighth of the package goes brown for a frame then back to white/beige. (00:29:55)
Chosen answer: It is a pill that makes alcohol taste disgusting.