As the Malto family get used to its new members, Bumblebee quickly learns that his mission to train the Terrans won't be as easy as he thought.

Twitch and Thrash wonder if they're the only Terrans on Earth. Their family, Optimus Prime, and Bumblebee help seek answers and find new allies! Meanwhile, Mandroid captures Dot and Megatron. Can the larger group become a team and save their friends?