Audio problem: When Calculus is telling Tintin via the radio that he, Haddock and the detectives are headed out to a nearby mountain range, he can be seen inside the tank as he is communicating with Tintin, but his mouth is never shown moving.
Audio problem: When Tintin goes into Tarragon's bedroom, he opens the door and a click sound can be heard, indicating he turned the door handle, but when the door opens, he is shown pushing the door open with his hand and not turning the handle.
Audio problem: When Tintin, Haddock and the detective go into Tarragon's bedroom to discover him just sleeping, Tintin steps on a few broken shards of crystal. The sound effect used of the crystal shards breaking is too loud considering the shards of crystal shown were far too small to make such an audible crunching sound.
Audio problem: The drunk camp members are firing their guns and the gun shots are heard. Smoke is exiting some of the guns, implying that that particular gun has been fired, but no sound effect is heard going with along with that particular gunshot.
Audio problem: In the "previously on Tintin" segment, when it recaps the three bad guys appearing to kill Daws, one of them says "You disappoint us, Daws." The voice of the person saying the line is significantly different to what was heard the in the previous episode.
00:02:05 - 00:23:40Casual Person