Star Trek V: The Final Frontier

STAR TREK: THE MOTION PICTURE, from left: Leonard Nimoy, William Shatner, 1979.

William Shatner Honors 10th Anniversary of Leonard Nimoy’s Death with Throwback Pic — Despite Rocky Relationship in Nimoy’s Final Years

The pair fell out in 2011 and didn’t reconcile before Nimoy’s death.
Star Trek V: The Final Frontier William Shatner, 1989

William Shatner Can Pinpoint His Greatest Career Regret

It all has to do with ‘Star Trek.’