Used by Michael J. Fox in the film's dance scene, the guitar set a litany of greats on the road to playing, but it hasn’t been seen since 1985

It’s somewhere lost in the space-time continuum, or it’s in some teamster’s garage," Michael J. Fox said in a video, as Gibson will detail the search in the upcoming doc "Lost to the Future."

Hopefully it could be recovered without a DeLorean.Hill Valley, Calif.: The search for Marty McFly's missing cherry red guitar is underway after it mysteriously vanished several decades ago, and the hope is that it could be recovered without a DeLorean.