The Black Island: Part 1 - S1-E10
Audio problem: As the detectives start to re-chase Tintin, one of them says "You can't outrun the long half of the law". Whoever said it, their mouth didn't move whilst saying "the long half of the law". (00:07:30)
The Black Island: Part 1 - S1-E10
Audio problem: When the detectives realise the bearded man was actually Tintin, they say "Tintin?" Their mouths stop moving half way through the line. (00:07:25)
The Blue Lotus: Part 2 - S1-E9
Audio problem: The detectives say "Oh dear" to Tintin when they hand him the arrest warrant. Both of them are heard saying it, but only one of their mouths moves. (00:32:15)
The Blue Lotus: Part 2 - S1-E9
Audio problem: When Tintin yells "Come on, Snowy!" after noticing Chang in the lake, his mouth opens, but never moves for the rest of the line. (00:30:15)
The Blue Lotus: Part 2 - S1-E9
Audio problem: Tintin wakes up and says "Huh?" His lips never move as he says it. His mouth does open but then closes just as he begins to speak. (00:25:20)
The Blue Lotus: Part 1 - S1-E8
Audio problem: Tintin says "The poison has taken effect" when the Chinese man goes crazy after being shot with the dart. When he gets to "effect", his teeth are clenched and his lips never move. (00:03:00)
The Blue Lotus: Part 1 - S1-E8
Audio problem: In the first shot of Mitsumirato, he says "Sit down, Mr. Tintin". His teeth are clenched and his lips never move any time in the sentence. (00:04:50)
The Crab with the Golden Claws: Part 2 - S1-E2
Audio problem: Snowy's barks without his mouth moving in the shot where Tintin jumps onto the docks. (00:41:35)
Cigars of the Pharaoh: Part 2 - S1-E7
Audio problem: When the doctor yells out "Stop him", his mouth is out-of-sync when he says it. This happens after he bumps into the medical orderly. (00:34:40)
Cigars of the Pharaoh: Part 2 - S1-E7
Audio problem: When Tintin says "Do you think you'll be able to cure him" whilst walking through the corridor of the mental hospital with the doctor, his mouth never moves when he says it. (00:33:30)
Cigars of the Pharaoh: Part 1 - S1-E6
Audio problem: When Tintin is filing the bar in the jail cell, he finishes filing the bar soon enough. A second and a half after finishing filing, a filing sound is heard even though he just finished. (00:18:20)
Cigars of the Pharaoh: Part 1 - S1-E6
Audio problem: The first mate says to Allan "Message from the boss. Came while the coast guard was aboard". He pauses at the end of "boss" but his mouth still moves even with him not saying anything. (00:10:50)
Cigars of the Pharaoh: Part 1 - S1-E6
Audio problem: After Tintin escapes from the crate he says to Snowy, "Snowy you're safe". When he gets to "safe", his mouth is out-of-sync. (00:10:15)
Cigars of the Pharaoh: Part 1 - S1-E6
Audio problem: When Tintin finds Doctor Sarcophagus' coat, he shouts "Doctor?!" His mouth is totally out-of-sync in the second half of saying the line. (00:07:20)
Cigars of the Pharaoh: Part 1 - S1-E6
Audio problem: In the tomb, Tintin says to Snowy at one point, "Me neither, let's go". His mouth doesn't move when he says "let's go". (00:07:00)
Red Rackham's Treasure - S1-E5
Audio problem: Haddock says "Without any doubt" without his mouth moving. (00:21:15)
Red Rackham's Treasure - S1-E5
Audio problem: The parrot's mouth is out-of-sync when it says "barnacles" whilst saying "Blistering barnacles". (00:12:05)
Red Rackham's Treasure - S1-E5
Audio problem: Haddock and Tintin shout "Calculus" when they find out he is on the ship. As they say it, Tintin is heard saying it but his mouth is wide open and wouldn't be able to say it whilst open. (00:09:35)
Red Rackham's Treasure - S1-E5
Audio problem: When Haddock starts screaming, Tintin says "Captain" without his mouth moving. (00:08:40)
Red Rackham's Treasure - S1-E5
Audio problem: When Tintin and Haddock leave Calculus' workshop, Tintin says "No, it won't do". His mouth is out-of-sync whilst saying it. (00:06:20)
Chosen answer: It is a pill that makes alcohol taste disgusting.