Summer Movies Breakdown: Based on a True Story

All this week ET is breaking down the key ingredients for Hollywood's hottest summer movies, including action, sci-fi and horror movies, comedies, animated tales, and dramas based on a true story. Watch the video!
Oprah Winfrey is returning to the big screen to star opposite Forest Whitaker in The Butler, based on the true experiences of a longtime servant at The White House, and the film is just one of the counter-programming dramas amid the big-budget, popcorn studio blockbusters. One other notable film based on a true story this summer is Fruitvale Station, dramatizing the events surrounding the tragic killing at the Oakland train station on New Year's Eve in 2009.
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.