Transformers 3: Dawn of the Primes

Transformers 3: Dawn of the Primes is a 2019 sci-fi action film and the last in the Transformers Prime Movie Trilogy. It follows Transformers: Robots in Disguise and Transformers 2: Armada.

Plot
Megatron is ressurected by his most loyal followers, and faces Optimus Prime in a deadly battle in a forest. Megatron overwhlems Prime and imales him before his face his blasted off. On the Decepticon ship, Starscream, Megatron's treacherous second-in-commander, jettisons Megatron into space, where he is discovered by Unicron, who transforms him into Galvatron to destroy the Autobot Matrix. Meanwhile, the young Hot Rod and his friends attempt to keep the Matrix out of the Decepticon's hands.