The Back to the Futuremovie franchise ended with the third film, but a forgotten sequel explains what Doc Brown was up to after the end of the trilogy. Starting with the release of the eponymous film ...

It’s easy to think of Christopher Lloyd’s Doc Brown as your run-of-the-mill eccentric genius. Or simply a wild-haired inventor with a time-traveling DeLorean and a heart in the right place. But if ...