"Well, there are plenty of worse places to be than the Old West."
On a mission to save his friend Dr. Emmett Brown, Marty McFly must travel back to the Hill Valley of 1885 and bring Doc back before he's shot. But the time machine is out of gas, thanks to a stray arrow, and will never reach the 88 mph it requires to activate the time circuits. In order to bring it up to speed, this time machine is going to have to ride the rails!