“1.21 GIGAWATTS!?! 1.21 gigawatts! Great Scott!!!” – Doc Brown, Back to the Future ... Movie Quotes Database

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A scene from Back to the Future 1985

Doc Brown

1.21 GIGAWATTS!?! 1.21 gigawatts! Great Scott!!!

Marty

Wait... what the hell is a gigawatt?!
Note: Doc Brown pronounces the term "jigga-watt".

In this scene

Marty McFly Michael J. Fox More Marty quotes →

Doc Brown More Doc Brown quotes →

More from Back to the Future

Marty Sounds pretty heavy. Doc Brown Weight has nothing to do with it. Marty This is heavy, Doc. Doc Brown There's that word again, 'heavy'. Why are things so heavy in the future? Is there a problem with the Earth's gravitational pull? Marty What? Doc Brown Obviously your mother is amorously infatuated with you instead of your father.
Marty : Wait a minute, Doc. Are you trying to tell me my mom... has got the hots for me? Doc Brown Precisely! Marty Whoa, this is heavy.