Battle Mountain / Windham, Ryder

Twelve-year-old Kevin Bowman, having teamed up with the Autobots to fight the Decepticons and find his brother, sets out to Battle Mountain to find clues about his sibling after receiving a tip from his nemesis Douglas, but is not sure if Douglas is trying to help him or setting a trap.

Kevin Bowman is working with the Autobots to find his missing brother, when he gets unexpected help from billionaire Douglas Porter who has discovered a cave with clues that may lead to Kevin's brother and other missing soldiers. Kevin, Gears, and Bumblebee follow Douglas to the cave in Battle Mountain followed closely by Decepticons.