Transformers Generation 1

Fleeing from the war that has raged on the planet Cybertron for millions of years, the heroic Autobots led by Optimus Prime encounter a surprise attack by the evil Decepticons led by Megatron. The ensuing melee aboard the Autobot ship ends when the ship crashes on a volcano. Four million years later, an earthquake reactivates the ship`s computer and resurrects both the Autobots and Decepticons, resuming the great war of the Transformers.<br><br> (Source: AniDB)

AnimeLok is the best site to watch Transformers Generation 1 SUB online, or you can even watch Transformers Generation 1 DUB in HD quality. You can also find Sunrise anime on AnimeLok website.