Red Rackham's Treasure - S1-E5
Continuity mistake: When we first see Calculus at the docks, the color of the shark-submarine's picture is grey. Just after Haddock writes an X on the shark-submarine, the shark-submarine's picture is now black. (00:06:45)
Red Rackham's Treasure - S1-E5
Other mistake: When Haddock walks over to Tintin whilst the boat is on the docks, a crate is lifted. The X that is written on the crate disappears from shot when the crate is lifted, revealing it was not animated in each frame of the shot. (00:06:45)
Red Rackham's Treasure - S1-E5
Continuity mistake: A crate is seen being lowered onto the Sirius when we first see it. There is an X written on the crate. The X changes font/position on the crate between shots. (00:06:30)
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)
Red Rackham's Treasure - S1-E5
Audio problem: Bill's mouth doesn't move when he says "This time he's after Red Rackham's Treasure". (00:04:10)
Red Rackham's Treasure - S1-E5
Other mistake: The guy looking at George and Bill in the cafe has red eyes. (00:04:05)
Red Rackham's Treasure - S1-E5
Continuity mistake: George's skin is a lot paler in the shot where Bill says he sailing for the South Seas with Tintin. (00:04:00)
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)
The Secret of the Unicorn: Part 2 - S1-E4
Other mistake: The inside of Snowy's mouth is white when Tintin says "Captain, I'm fine". (00:40:20)
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
Other mistake: All the shots fired at Barnaby went into the wall. The bullet holes are even there to prove it. This shows us he was never shot. Yet for some reason, he acts as if he was shot. (00:32:15)
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
Continuity mistake: When Sakharine wakes up, his door goes from fully open to nearly closed in the shots of Tintin without any time to close the door. (00:29:10)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: When Sakharine wakes up, Tintin runs to him and the detectives trip up. They are next to the door. In the next shot, we can see the door, but none of the detectives. (00:29:10)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: When Captain Haddock approaches Thomson and Thompson, their hair is all messy. About 2 shots later, their hair is neatly combed. (00:28:35)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: Sakharine is lying on the floor when they find him presumably dead. But when Thomson and Thompson run out of the room, Sakharine has disappeared. (00:28:20)
The Secret of the Unicorn: Part 2 - S1-E4
Continuity mistake: The mast on the Unicorn model Sakharine has changed color when Tintin and Haddock find it, from beige to grey. (00:27:40)
Audio problem: When Tintin says "Maybe we should go back inside" his mouth doesn't move. (00:09:20)
Destination Moon: Part 2 - S3-E10
Audio problem: Tintin's mouth doesn't move when he says "It's wonderful" whilst looking in the periscope of the rocket when it's in space.
The Secret of the Unicorn: Part 1 - S1-E3
Other mistake: When Haddock stabs the cushion on the couch, the sword goes right through the cushion, but no damage is made to the couch. (00:15:25)
Chosen answer: It is a pill that makes alcohol taste disgusting.