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Optimus totally doesn't forgive the two humans who started the Hate Plague. (1987)
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'Heavy Metal War' ends with the Decepticons all falling into lava, and Megatron declaring 'we will rise again', presumably done in case the show ended there.
It is never shown how they got out of the lava at the beginning of Season 2, with them appearing as per normal. (1984)
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to promote the then-upcoming airing of "The Return Of Optimus Prime", 'Dark Awakening' was re-broadcast with a new ending narration. (1987)
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