Poster of Cast and Crew in Transformers The Headmasters - Seibertron is in Grave Danger (1) (Season 1 - Episode 9) - Seibertron is in Grave Danger (1)

Transformers The Headmasters - Season 1 - Seibertron is in Grave Danger (1) (Episode 9)

Plot: On Seibertron, once again at peace thanks to Vector Sigma, a new compound has been created called Seibertonuron which is many times stronger than Seibertonium. The Destron cassettes find out about it and Soundblaster reports to Galvatron, telling him that the new compound allow him to defeat the Cybertrons
Episode Aired On:
Friday, September 4 1987
37 years ago