Season 1
13 episodes · Sep 10, 1977
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- S1E1
Morpheus: The Sinister Sentinel
Sep 10, 1977Another sentinel with an evil alignment and who has the power of Astrea, Hercules and Mercury combined, comes to Earth for revenge.
- S1E2
Space Giants
Sep 17, 1977The Sentinels have to deal with giant tough-to-beat robots who are initially after some gold as fuel.
- S1E3
The Time Traveller
Sep 24, 1977A human from an advanced time period has returned to stop the construction of a moon base by destroying the supply rockets (unmanned) shortly after launch.
- S1E4
The Sorceress
Oct 1, 1977A large section of the north pole has vanished, and the Sentinels are dispatched to investigate.
- S1E5
The Return of Anubis
Oct 8, 1977Anubis is revived and wants to exact revenge on human beings. The Sentinels have to stop this from happening.
- S1E6
The Wizard of Od
Oct 15, 1977The Sentinels travel to an alternate universe to investigate and defeat a device that alters reality.
- S1E7
The Prime Sentinel
Oct 22, 1977Another Sentinel One-like computer, known as the Prime Sentinel, has been compromised by an evil unknown force, and the Sentinels journey into space to fix the problem.
- S1E8
Commander Nemo
Oct 29, 1977An eco-terrorist threatens civilization and the Sentinels travel into the ocean to find and stop him.
- S1E9
Voyage to the Inner World
Nov 5, 1977Astrea is kidnapped with the intent to use her to power an underground civilization against her will. Hercules, Mercury, Sentinel One and MO use their spaceship to burrow their way to the city to rescue her.
- S1E10
Loki
Nov 12, 1977A powerful human from another dimension is freed and sends Hercules and Mercury into his dimension which allows him to steal their spaceship and use it in an attempt to conquer his original dimension that he came from.
- S1E11
Fauna
Nov 19, 1977A young girl who has telepathy and can control wild animals, is attacking a laboratory in a forest. The Sentinels are dispatched to investigate.
- S1E12
The Jupiter Spore
Nov 26, 1977When an alien plant spore is brought to Earth by a returing space probe, it endangers the planet when it begins to grow uncontrollably. The Sentinels must consult a wise cosmic sage before deciding on a course of action.
- S1E13
The Worldship
Dec 3, 1977A large planetoid is on a direct collision course with earth. The Sentinels come to the conclusion that the planetoid must be destroyed to save the earth, so using their spaceship, they intercept the planetoid and find out that further investigation is needed.