Unless you've been living under a rock since the 1980's, I'm sure we've all seen the movie Back to the Future at least once... And who can forget the edge of the seat ending where the DeLorean time machine races down the street to catch a bolt of lightning to power the infamous Flux Capacitor...!!
It turns out that memorable final scene wasn't the first choice. Instead of harnessing the 1.21 gigawatts of electricity from a lightning bolt, the original plan was to harness the blast from a nuclear bomb...!
Check out the animated story board below: