Doc Brown I'm sure that in 1985, plutonium is available in every corner drug store, but in 1955 it's a little hard to come by. Marty, I'm sorry, but I'm afraid you're stuck here! Doc Brown 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 PM next Saturday Night! 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! Doc Brown Look! There's a rhythmic ceremonial ritual coming up!