Les gaz mortels (1916) 1916, France Les gaz mortels (1916) Duration: 1H11M Description: Dr. Hobson is a humanist scientist who studies snakes. He saves Maud, a young American girl, who is abused by Ted, a violent snake hunter. But when the First World War begins, Hobson is summoned by the French army to invent deadly….. Trailer ↗ France 1916