Revealing mistake: After Tintin exits the observatory, there is a shot showing us the meteoroid in the sky. In this shot, stars are visible through it. (00:04:40)
Revealing mistake: During the earthquake, Tintin leaps onto a lamp post and the ground starts to rise. The inside of his mouth is green as this happens. (00:05:50)
Revealing mistake: Professor Fossil places the results over a lamp and says "I have never seen such a formation before". As he says this, Tintin appears on screen. He never walks into shot, he just appears on the screen out of nowhere. (00:07:40)
Revealing mistake: The words on the article are not words. It's just letters mixed up into fake words. (00:08:40)
Revealing mistake: When the scientists are eating their dinner and begin to get sea sick, one of them has a glass of wine. The wine slides along the table, yet the wine in the glass stays in a fixed position. (00:10:40)
Revealing mistake: When the Peary financier scrunches up a piece of paper after finding out the Aurora failed to be sunk, his cigar is seen going through his lips. (00:12:05)
Revealing mistake: When Tintin emerges from his cabin, he starts yawning and stretches his arms. You'll notice that his arms go through the wall as he does this. (00:12:15)
The Broken Ear: Part 1 - S2-E2
Revealing mistake: After losing the parrot, a man is shown writing a "missing parrot" note. After finishing the first line, we can see last word goes over the desk. (00:08:55)
The Broken Ear: Part 1 - S2-E2
Revealing mistake: When one of the villains throws a knife onto a target board, no knife mark is made afterwards. (00:14:15)
King Ottokar's Sceptre: Part 1 - S2-E4
Revealing mistake: Two villains listening to Hector's conversation with Tintin write down notes on his pad. When he writes, it's always the same place he writes every time. (00:02:45)
King Ottokar's Sceptre: Part 1 - S2-E4
Revealing mistake: On the peasant cart, Tintin notices a car. The next shot shows trees to the right of frame literally jiggling. (00:20:25)
Tintin in Tibet: Part 1 - S2-E6
Revealing mistake: The shot after Tintin says "We can't give up now" shows Tintin, Haddock and the Sherpas hiking through a dry hill. Over the first hill is a part of the ground that is black. As the shot continues, an extra part of black ground instantly appears from nowhere, as if the animators forgot to draw the black ground during the first half of shot. (00:11:55)
Tintin in Tibet: Part 2 - S2-E7
Revealing mistake: After the "previously" clip, Tintin, Haddock, Snowy and Tharkey continue their walk. In the second shot, the four walk over a hill. The first footstep on the edge of the hill is incorrectly drawn and looks unrealistic. (00:24:45)
Tintin and the Picaros: Part 1 - S2-E8
Revealing mistake: Just after Tintin says "The last I heard he was hiding in the jungle trying to organize the resistance", a shot is shown of the plane window flying over the clouds with a shadow on the clouds. The plane flies over a cloud with part of it missing and for one frame only, the shadow is seen going over the part of the cloud that was missing. (00:05:40)
Tintin and the Picaros: Part 1 - S2-E8
Revealing mistake: The shot prior to the plane landing shows a village of people where some of them are in the background watching the plane. You'll see a blonde guy in the foreground with messed up elbow animation. It keeps jiggling all over the place. (00:05:55)
Tintin and the Picaros: Part 1 - S2-E8
Revealing mistake: After Tintin, Haddock and Calculus meet Colonel Alvarez, they are seen driving through downtown in a car. Watch the people, buildings and posters on the sidewalk. Each time the shot cuts, it is always the exact same people. Exact same buildings. And exact same posters on the sidewalk. Also, as Calculus starts talking, the same thing has been done again, except the background is different. (00:07:05)
Tintin and the Picaros: Part 1 - S2-E8
Revealing mistake: After Haddock snaps the door to the window, the big guy enters the room pointing a gun at Haddock. The shot then cuts to Haddock with fruit all over the place. Look to the left of screen and you'll an apple laid on top of another apple completely unnaturally. (00:10:00)
Tintin and the Picaros: Part 1 - S2-E8
Revealing mistake: After Pablo has finished telling Tintin, Haddock and Calculus about General Alcazar's plan, he leaves and the shots cuts to the three being watched on CCTV. Although the footage is in black and white, there is some wine shown in one of the glasses that is coloured red. (00:14:55)
Tintin and the Picaros: Part 2 - S2-E9
Revealing mistake: When Haddock walks in view of the helicopter pilot, it cuts to an interior shot of the helicopter where the pilot says "What's that? A Picaro by the river?" A couple of shots after this, there is another interior shot of the helicopter where the pilot then says "Caramba. He's disappeared." In both of the two interior shots, it is noticeable that the same footage has been used in both the shots as the exact same land is outside the helicopter is in both of the shots. The only difference in the second shot is that Haddock has been removed. (00:26:20)
Land of Black Gold: Part 1 - S2-E10
Revealing mistake: When Tintin is at the docks, waiting for something to happen, he sees a man walk from the fog into view. The man is transparent and you can see right through him. (00:03:05)
Chosen answer: It is a pill that makes alcohol taste disgusting.