Summer Movies Breakdown: What Makes a Blockbuster?

The summer movie season is officially upon us, and all this week ET is breaking down the key ingredients of the big-money recipe for Hollywood's hottest movies, including action, sci-fi and horror movies, comedies, animated tales, and dramas based on a true story. So what makes a true blockbuster? Watch the video!

Pics: Hollywood's Hottest Movie Posters

From Will Smith and son Jaden in After Earth to Johnny Depp as Tonto in The Lone Ranger and Channing Tatum and Jamie Foxx in the explosive White House Down, when you boil down the ingredients for what makes a true blockbuster it looks like a potent combo of casting and big money on screen --- lots and lots and lots of money – are the crucial elements.

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For complete movie coverage, head over to ETonline's Summer Movie Guide for exclusive content, behind-the-scenes looks, fun-filled Speed Rounds, extensive photo galleries, trivia quizzes and much more.