Season 1

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  6.4/1017 votes

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  Morpheus: The Sinister Sentinel

  Season 1 Episode 1 - Aired 9/10/1977

  Another sentinel with an evil alignment and who has the power of Astrea, Hercules and Mercury combined, comes to Earth for revenge.

  Director: N/A

  Writer: N/A

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  7.0/1016 votes

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  Space Giants

  Season 1 Episode 2 - Aired 9/17/1977

  The Sentinels have to deal with giant tough-to-beat robots who are initially after some gold as fuel.

  Director: N/A

  Writer: N/A

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  6.9/1015 votes

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  The Time Traveller

  Season 1 Episode 3 - Aired 9/24/1977

  A 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.

  Director: N/A

  Writer: N/A

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  6.8/1014 votes

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  The Sorceress

  Season 1 Episode 4 - Aired 10/1/1977

  A large section of the north pole has vanished, and the Sentinels are dispatched to investigate.

  Director: N/A

  Writer: N/A

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  7.3/1016 votes

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  The Return of Anubis

  Season 1 Episode 5 - Aired 10/8/1977

  Anubis is revived and wants to exact revenge on human beings. The Sentinels have to stop this from happening.

  Director: N/A

  Writer: N/A

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  6.4/1012 votes

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  The Wizard of Od

  Season 1 Episode 6 - Aired 10/15/1977

  The Sentinels travel to an alternate universe to investigate and defeat a device that alters reality.

  Director: N/A

  Writer: N/A

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  7.7/1016 votes

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  The Prime Sentinel

  Season 1 Episode 7 - Aired 10/22/1977

  Another 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.

  Director: N/A

  Writer: N/A

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  6.2/1011 votes

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  Commander Nemo

  Season 1 Episode 8 - Aired 10/29/1977

  An eco-terrorist threatens civilization and the Sentinels travel into the ocean to find and stop him.

  Director: N/A

  Writer: N/A

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  6.7/1014 votes

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  Voyage to the Inner World

  Season 1 Episode 9 - Aired 11/5/1977

  Astrea 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.

  Director: N/A

  Writer: N/A

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  6.8/1012 votes

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  Loki

  Season 1 Episode 10 - Aired 11/12/1977

  A 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.

  Director: N/A

  Writer: N/A

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  6.8/1012 votes

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  Fauna

  Season 1 Episode 11 - Aired 11/19/1977

  A young girl who has telepathy and can control wild animals, is attacking a laboratory in a forest. The Sentinels are dispatched to investigate.

  Director: N/A

  Writer: N/A

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  7.7/1015 votes

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  The Jupiter Spore

  Season 1 Episode 12 - Aired 11/26/1977

  When 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.

  Director: N/A

  Writer: N/A

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  5.7/1012 votes

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  The Worldship

  Season 1 Episode 13 - Aired 12/3/1977

  A 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.

  Director: N/A

  Writer: N/A