Transformers: The Headmasters bot Headmasters, led by Cerebros return to their home planet to aid in its defense. The situation soon gets worse when it is revealed that Vector Sigma, the super-computer at the planet's heart, was destabilizing, and Optimus Prime again sacrifices his life to save Cybertron. This soon proves to be only delaying the inevitable, however, when a bomb attack instigated by Scorponok turns Cybertron into a burnt-out, inhospitable husk. Rodimus Prime departs to search for a new planet for the Transformers to live on, leaving Cerebros in command, operating from the planet Athenia. Meanwhile, Scorponok replaces Galvatron - who had
Transformers: Dark of the Moon on July 1, 2011, the release was brought forward to June 29, 2011. It was announced in November 2010 that unlike "Transformers: Revenge of the Fallen", no scenes in the film were shot with IMAX cameras. "Transformers: Dark of the Moon" had grossed $352.3 million in North America, and $771.4 million in other territories, for a worldwide total of $1.123 billion. It is the 20th-highest-grossing film of all time, as well as the second-highest-grossing 2011 film, the highest-grossing film of the "Transformers" series, the second-highest-grossing film by Paramount (behind "Titanic"), the fourth highest-grossing third instalment of a series (behind "",