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The Mystery of Planet Master

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Nobody was willing to take the blame for the missing chunk of planet.

After learning of the origins of the Headmasters and the planet Master, the Autobots race to recover the missing Matrix.

  • Japanese: マスター(せい)(なぞ)
  • Romaji: Masutā-sei no Nazo
  • English/Malay dub: The Tale of the Master Star

Detailed synopsis

As the battle between the newly-arrived Autobot Headmasters and their Decepticon counterparts rages around him, Optimus Prime ventures into the depths of Cybertron, heading for Vector Sigma, in order to stabilize and restore an Autobot power balance on the planet. Fortress subsequently battles the the Decepticons with his battleship, Maximus, and Kup realizes that he and the other Autobot Headmasters are refugees who fled the planet millions of years beforehand. Fortress tells the story of the civilisation they have established on the planet Master, and how several of them rebelled under the leadership of a shadowy figure named Scorponok and were banished from Master, only to join up with the Decepticons.

Meanwhile, Optimus Prime is aided in his mission by the ghostly figure of Alpha Trion, but without the Matrix, which has been left on Earth to recharge, to restore the wisdom used to cure the Hate Plague, there is little he can do to stabilize the fluctuating computer. Realizing the importance of the Matrix in Prime's task, the Autobots divide into teams in order to track down the secret location where the Matrix has been hidden and bring it to Cybertron. However, Soundwave and his cassettes catch wind of their plan, and various Decepticon squads intercept the Autobot forces searching for the Matrix. The Stunticons battle the Aerialbots in the desert, but their conflict eventually moves to the Arctic, and they wind up in the midst of Hot Rod, Blaster and the Autobot cassettes' clash with the Predacons. Soundwave and his cassettes arrive to pick off Hot Rod, but Blaster and his team leap to the rescue, culminating in a one-on-one battle between the two communicators that ends with their mutual destruction. Soundwave's exploded remains are recovered by his cassettes, while Blaster dies in Hot Rod's arms, and the young Autobot vows to complete his mission.


Original airdate: 10th July 1987

Featured characters

(Numbers indicate order of appearance.

Autobots Decepticons Humans


Animation and/or technical glitches

  • As the tale of the Headmasters-to-be is recounted, Fortress is shown leading civilians onto spaceships, looking as he does now. This, of course, is wrong - he should appear as his smallest Headmaster component (Spike, in the American version), as he's not a Headmaster yet.

Continuity Errors

  • Although Scorponok does not appear for five more episodes, a silhouette of him appears in this episode. Notably, the silhouette is of his Transtector, which would not be unveiled fully until "Explosion on Mars!! MegaZarak Appears." In fact it wasn't even built yet because the Decepticons were using slaves to build components for in the episode Rebellion on Planet Beest, unless Scorponok had a similar and smaller Transector before he got the much larger iconic one.

Transformers references

  • This episode revisits the concept of Transformers becoming drained of color whenever they die, as seen in The Transformers: The Movie. In this case, however, when Soundwave and Blaster meet their ends, they turn white, rather than various shades of grey.
  • The Centurion droids from "The Key to Vector Sigma, Part 1" reappear, once again guarding the path to the mega-computer.

Miscellaneous trivia

  • Steeljaw has abruptly developed the power of speech with this episode. Although his fellow animal cassette, Ramhorn, previously talked in "Forever is a Long Time Coming", Steeljaw never indicated he had the gift of gab until now.
  • Raiden actually first appears in this episode, although it's nothing more than an extremely short cameo. And he's forced to run off thanks to Bruticus.
  • Darn that Soundwave. EEEEUUUAAAAAAGH!

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