Darkest Hour is the twenty-sixth episode of season 2 and the season finale of season two and the fifty-second episode of Transformers Prime: Friendship is Magic.


When Megatron turns the power of the Omega Lock on Equestria, Optimus is forced into making a risky decision that could have inescapable consequences for the entire Autobot team.


Destruction of Autobot Outpost Omega One

while Optimus Prime and Twilight Sparkle stay behind to


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