Five Dark Epochs

The Five Dark Epochs all threatened to bring the Transformer race to extinction.

Fiction

IDW Generation 1 comics

To inform Tailgate of the Decepticon's evil, Rewind played back the history of the Great War, including the Five Dark Epochs, for him. Life After the Big Bang

Notes

• The Five Dark Epochs might have to do with the very similarly-named Black Epoch and the Cult of the Black Epoch.