Continuity mistake: After arriving in Jakarta, Haddock is correcting Professor Calculus telling him it is not Sydney. The last time Haddock tells Calculus this, he's saying "It's not Sydney yet. It's Jakarta", and Haddock has pale skin and is also looking annoyed. Calculus then says "Yes, I know" and Haddock suddenly has more tanned skin and is smiling. (00:01:30)
Continuity mistake: When Haddock trips over Skut's bag, he lands face down on Skut's chest. When he trips and lands, both Haddock and Skut have pale light skin, but in the next shot, their skin is suddenly more tanned. (00:02:20)
Continuity mistake: When Mr. Carreidas and Mr. Spaulding walk over to Tintin, Haddock and Skut, in the shot where Skut says "Mr. Carreidas, these are my friends", the money that Haddock previously placed into Carreidas' hat is sticking out of it and a portion of the note is tucked into Carreidas' hat. In the next shot, only the top right corner is tucked into into Carreidas' hat. (00:03:15)
Continuity mistake: When Carreidas breaks out laughing for the first time, there is a moment where he lowers his head downwards. After this, the shot cuts to Mr. Spaulding saying "Are you all right sir?" and Carreidas head, visible in the corner of frame, is suddenly raised. (00:03:50)
Continuity mistake: When Carreidas receives a call from New York, he takes the phone from the flight attendant. The cord on the phone is black when the flight attendant is holding it on the dish, but red when Carreidas answers the call. (00:06:10)
Continuity mistake: On the plane, Carreidas is playing battleship with Haddock. Whilst he is saying "C4. D4. E4", he places his pen on the right hand side of the page, but when he crosses out E4 in the following shot, the pen is suddenly pointing near to the left hand side. (00:07:10)
Continuity mistake: After Snowy runs away, two gunmen grab ahold of Tintin, restraining him. As Tintin is yelling "Cowards! Murderers!", the gunman on the left is holding Tintin's upper arm with his right hand. The shot cuts to a closer angle of Tintin and there is no sign of the gunman's right hand. (00:11:00)
Continuity mistake: When Tintin and the others are locked in the room, Tintin looks out the window, assuming he thought he heard Snowy. On the left hand side of the window is a plant. A few minutes later, Snowy arrives and the plant is still there, but when Tintin throws Snowy out the window telling him to wait, the plant has vanished. (00:13:55 - 00:16:20)
Continuity mistake: Captain Haddock places three strips of tape over Rastapopoulos', Carreidas' and Krollspell's mouths. The last piece of tape over Rastapopoulos' mouth is a strip that goes from the top of his left cheek down to the bottom of his right cheek. A few seconds later, as they leave the room and go outside, it goes from the top of his right cheek down to the bottom of his left cheek. (00:20:35)
Chosen answer: It is a pill that makes alcohol taste disgusting.