'Transformers 4' Will Be Michael Bay's Last, Director Says

"Transformers: Dark of the Moon" marked the end of an era for the sci-fi action series, in the sense that series lead Shia LaBeouf and the rest of the human cast said goodbye to Optimus Prime for the final time. It's not the end for Michael Bay, however, as the filmmaker is returning to direct [...]

Source: http://moviesblog.mtv.com/2012/06/06/transformers-4-michael-bays-last/

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