You will Watch Transformers Animated Season 1 Episode 15 online for free episodes with HQ / high quality. Stream cartoons Transformers Animated Episode 15 Megatron Rising Part 1 When Starscream, Blitzwing, and Lugnut begin their attack upon Earth, Optimus Prime demands that Sari hand over her key to the Autobots. She refuses and Rachet uses his magnets to forcefully take it from her.This causes her to run away only for her to end up captured by Blackarachnia. Optimus begins to doubt his leadership while Megatron begins his next stage to have his body rebuilt and orders Lugnut and Blitzwing to steal the key from the Autobots. They succeed in doing this. Starscream, when scanning Lugnut, learns at last that Megatron is really alive. After thinking a little, he decides to join up with his former leader until the next good opportunity to get rid of Megatron presents itself. So Starscream arrives to the Sumdac’s lab, where Megatron’s head is placed, and tries to convince him of his loyalty (but he doesn’t suspect that Megatron already knows about his treachery). At the end of the episode, Optimus watches in horror as Megatron rises to the sky, his body having been fully rebuilt by Isaac Sumdac and the key.