An undersea civilisation, the Solarstars, creates a weapon capable of obliterating entire islands, and the crew of Stingray must destroy this vessel before it destroys them first!
Released in 1965, Stingray: The Big Gun is a action, adventure and drama film from AP Films (United Kingdom). It was directed by David Elliott and written by Alan Fennell. The cast is led by Don Mason, Robert Easton, Ray Barrett and Lois Maxwell. With a runtime of 26m, the film is available in full HD.
To watch Stingray: The Big Gun online free in HD, press Watch Now above and pick any server; the movie plays instantly on MyFlixer with no account needed. If you like action, adventure and drama movies, Star Wars Rebels: Spark of Rebellion, Stargate SG-1: Children of the Gods and Superman: The Last Son of Krypton are worth adding to your list.