Season 1 · Episode 9
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Seibertron is in Grave Danger (1)
Fri, Sep 4, 1987
·
23 min
When Vector Sigma develops a powerful new alloy, the Decepticons initiate an all-out strike against Cybertron to claim it for their own.
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Fri, Sep 4, 1987
23 min
Show
Transformers: The Headmasters
35 episodes
Episode
S1 · E9
in Transformers: The Headmasters
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Seibertron is in Grave Danger (2)
S1 · E10
Seibertron is in Grave Danger (2)
Fri, Sep 11, 1987