Tintin and the Lake of Sharks

Tintin and his friends visit Professor Calculus at his country laboratory, only to find him and a pair of local children threatened by criminals after the inventor's work.

Tintin and the Lake of Sharks is a 1973 mystery adventure movie directed by Raymond Leblanc, starring Georges Atlas, Jacques Balutin, Nadine Basile. It holds an IMDb rating of 6.3/10 from 3,333 votes and runs 1h 21m.