Obsessed and ScientificIs time travel possible? In this fascinating short documentary, director Jay Cheel explores the real-life theories behind the science of time travel and the strange subculture of enthusiasts who are obessed with it.

Meet Michio Kaku, world-renowned theoretical physicist and author of the book Hyperspace.

Meet Rob Niosi, a hobbyist building his own full-scale home replica of H.G. Wells' time machine.

Meet Larry Haber, the entertainment lawyer representing the family of John Titor, an alleged time traveller from the year 2036.

Do these people know something about the world that the rest of us don't? Obsessed and Scientific is a quirky look at the intersection of science-fact and science-fiction.

Watch the full documentary now (playlist - 25 minutes)