Galvatron creates a metal-warping meteorite called "Metamorphose", with the intent of using it to destroy Athenia. The Autobot Headmasters attempt to stop the meteor, but discover that their blasters have no effect on it. Cyclonus is sent to attack other Autobot forces to distract them from Metamorphose. The Autobot Headmasters learn that destroying the meteorite with a non-metallic agent and with Spike recovering from a previous battle, Daniel volunteers to plant bombs onto the weapon...