After the Decepticons broke into the Plasma Energy Chamber, unleashing waves of powerful plasma energy, Chromedome was amongst the group of Autobots flung halfway across the galaxy to Nebulos. After a misunderstanding—namely, the Nebulans threatening to detonate magnetic bombs they had attached to the Autobots after their capture—Chromedome willingly became a Headmaster. He presumably joined the rest of the Autobots in celebration after Scorponok was flung into space and a new Golden Age began on Cybertron. The Rebirth

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.