The Autobots embark on a quest to locate mystical artifacts to save their homeworld of Cybertron from being sucked into a black hole. But the Decepticons want to get their hands on those artifacts too.
Optimus approaches Galvatron to take the Omega Lock and Planet Keys. However, Galvatron is drawing out the power of the Planet Keys, and Thundercracker, Thunderblast, Ransack, and Crumplezone grow to giant size.
S1E49 22 min