George McFly: Lou, give me a milk.George McFly: Chocolate.
Time circuits on. Flux Capacitor... fluxing.
This is it! This is the answer. It says here that a bolt of lightning is going to strike the clock tower at precisely 10:04 p.m. next Saturday night! If... If we could somehow harness this lightning... channel it into the flux capacitor... it just might work. Next Saturday night, we're sending you back to the future!
I'm sure that in 1985, plutonium is available in every corner drugstore, but in 1955, it's a little hard to come by.