A temporada 3 de Transformers: Animated começou em Cartoon Network em samedi 14 mars 2009, esta é a temporada atual, tem apenas um episódio por enquanto.
The evil Decepticons have appeared in Detroit. With the all powerful Allspark, Megatron can use it to turn all of Earth's robots into Decepticons. However, Optimus Prime and his Autobots arrive and plan to stop Megatron and his evil plan in Transformers Animated.