Marty McFly Helps Doc Brown Test His DeLorean Time Machine in Back to the Future (Clip) | TBS

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Doc Brown (Christopher Lloyd) shows Marty McFly (Michael J. Fox) what happens to his DeLorean time machine when it gets to 88 miles per hour. Watch Back to the Future on TBS. #TBS #BacktotheFuture #MartyMcFly SUBSCRIBE: http://bit.ly/TBSSub Download the TBS App: http://bit.ly/1qBbkMW About TBS