Transformers: The Headmasters — Season 1, Episode 9: Seibertron is in Grave Danger (1)
Animation, Sci-Fi & Fantasy, Action & Adventure • 45 min • 1 season, 35 episodes • ★ 7.8/10
Episode synopsis
When Vector Sigma develops a powerful new alloy, the Decepticons initiate an all-out strike against Cybertron to claim it for their own.
About Transformers: The Headmasters
Following on The Return of Optimus Prime (and in place of The Rebirth), The Headmasters is the first Japanese-exclusive Transformers franchise.
More episodes from Season 1
- E1Four Warriors Come Out of the Sky (1)
- E2The Mystery of Planet Master (2)
- E3Birth of Double Convoy! (3)
- E4Operation: Cassette
- E5Rebellion on Planet Beast
- E6Approach of the Demon Meteorite
- E7The Four Million Year Old Veil of Mystery
- E8Terror of the Six Shadows
- E10Seibertron is in Grave Danger (2)
- E11Scorponok, The Shadow Emperor
- E12The Dormant Volcano Mysteriously Erupts
- E13Head On, Fortress Maximus