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 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 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: 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: 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)
Answer: According to Wikipedia, he is described as being a youth anywhere from 14 - 19 years old. There is no specific age.
raywest ★