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 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: One of the detectives say "We missed" after running into a lamp post without his lips moving. (00:07:35)
The Black Island: Part 1 - S1-E10
Audio problem: The villains tell Tintin to jump and the scene ends. When the next scene starts, a wave hits the cliff. The first wave's impact isn't heard until way after it actually hits. (00:10:20)
The Black Island: Part 1 - S1-E10
Audio problem: When Tintin picks up the villains' gun, he never cocks it, but the sound of the gun cocking is still heard. (00:10:55)
The Black Island: Part 1 - S1-E10
Audio problem: Snowy runs to find something. He barks in one shot without his lips moving. (00:12:05)
The Black Island: Part 1 - S1-E10
Audio problem: Doctor Mueller takes out a gun and Tintin yells "NO!". His mouth is well out-of-sync when he says it. (00:15:30)
The Black Island: Part 1 - S1-E10
Audio problem: Mueller throws a gun at Tintin. It misses him and makes a smashing sound. When he runs out of the room, we can see there was nothing which could have smashed. (00:15:50)
The Black Island: Part 1 - S1-E10
Audio problem: After Mueller's assistant gets knocked out by stepping on a rake, Tintin looks at Mueller and says "That was close". Look at his mouth when he says this. His mouth opens but as he says the line, his mouth doesn't continue to move along with the line. (00:20:40)
The Black Island: Part 1 - S1-E10
Audio problem: Tintin is shown tying Mueller and his partner in crime to a tree with a cable. After he finishes saying "This old cable should hold you for now", we can see his mouth move as if he is speaking before he goes onto the next sentence even though he isn't actually saying anything. (00:20:45)
Chosen answer: It is a pill that makes alcohol taste disgusting.