This is how The Exodus goes in My Little Pony Transformers: Fall of Cybertron.
Megatron: This oughtta do the job.
Optimus Prime: Even if you destroy me, Megatron, others will rise to defeat your tyranny.
Megatron: Then I'll just have to destroy you all!
Optimus Prime: Bumblebee!
[ everything flashes back six days earlier before the Ark launched]
[My Little Pony Transformers: Fall of Cybertron]
Optimus Prime: (narrating) Cybertron, the homeworld we Autobots have strived to protect from the Decepticons, can no longer sustain us. Eons of civil war have caused the greatest of casualaties: our planet's very core has shut down, halting its production of life-giving Energon. Most of us have abandoned our home, in hopes of finding a new life among the stars. I am Optimus Prime, leader of the Autobots. We do not know how many of our brothers have escaped Megatron's blockade; I can only be certain of this-- just one transport remains.