The Secret of the Unicorn: Part 2 - S1-E4
Audio problem: Tintin figures out Sakharine was knocked out by being chloroformed and the detectives say "Oh". Neither of the detectives' lips move when they say it. (00:29:20)
The Secret of the Unicorn: Part 2 - S1-E4
Audio problem: One of the Bird Brothers say "Quick, the woods". They enter the shot when they get to "woods", but their mouth never moved. (00:39:20)
The Secret of the Unicorn: Part 2 - S1-E4
Audio problem: A Bird brother says to Tintin, "It all started when we found a model of the Unicorn". However, is mouth is open, but his lips never move whilst saying it. (00:41:05)
Chosen answer: It is a pill that makes alcohol taste disgusting.