Description:  Space Sentinels is a 1977 animated series from Filmation about three Earth teenagers—Hercules, Mercury, and Astrea—who are given superpowers by a sentient computer named Sentinel One to protect humanity. They travel to a faraway world, are granted eternal youth and powers, and are returned to Earth to become guardians. The show featured a diverse cast and addressed themes like environmental awareness, friendship, and teamwork.

Characters and powers

Hercules: Possesses immense strength.

Mercury: Has super speed and is a skilled martial artist.

Astrea: Can shapeshift into any living creature.

Sentinel One: A giant, holographic head of a sentient computer that acts as the team's mentor and supervisor.

M.O. (Maintenance Operator): A small robot who serves as the team's comic relief and maintenance operator.

Antagonists: The Sentinels fought various villains, including mythical figures like Anubis and Loki, as well as other created threats.