Back to the Future Part V

Back to the Future Part V is the fifth installment in the Back to the Future Saga and it would be released in 2015

plot
As the time machine is flying in the air and Doc gets killed off a third time (The First being in Part I by the Libyans but was wearing bullet proof vest and the second being on Ukata in Pirates of the Carribean:Island of Lost Worlds(Clone Body)) now Marty must get into space to catch the aliens