Credit: Robert Zuckerman

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Us Rating: **

Once again, the Autobots -- aided by human liaison Sam (Shia LaBeouf) -- try to stop the Decepticons from taking over the galaxy. (There's something about a cover-up from the 1969 moon landing. Don't ask.) And while the effects dazzle, overall it's 157 minutes of mindless, soulless spectacle. (Paramount, $30)