It was an ordinary evening at Lone Pine Mall. All Kevin Durant wanted was a new pair of shoes. Then the space-time continuum showed up.

Bill Hader, Christopher Lloyd, Tinker Hatfield, Donald Fullilove and Kevin Durant star in a film about the most famous shoes never made, in an effort to support the Michael J. Fox Foundation for Parkinson’s research. Together, we can help make Parkinson’s disease a thing from the past.