G1

The three part pilot ends with Megatron outsmarting the Autobots in his plan to aquire enough energy to return to Cybertron.
Paul and John are also on Twitter.

In what will become an overused plot device, the Decepticons attempt to steal energy (first from a hydroelectric dam, then from a ruby mine) and the Autobots have to stop them.
Paul and John are also on Twitter.

The first episode of The Transformers starts four million thirty-four years ago and ends thirty-four years ago. That's a lot of ground to cover but we do it in thirteen minutes.
Paul and John are also on Twitter.