Continuity mistake: When Tintin and the two kids are escaping from the submarine lair, the water level keeps changing. It's supposed to be more and more high, but it's lower in some shots.
Tintin and the Lake of Sharks (1972)
Directed by: Raymond Leblanc
Starring: Georges Atlas, Jacques Balutin, Jacques Careuil, Nadine Basile
Continuity mistake: The lever opening on the secret door keeps changing place throughout the film.
