Rob Reiner appears posthumously in Mel Brooks' new documentary, detailing how the comedian was there for his father, Carl Reiner, in his final moments. "Mel was there when my dad died," Rob said in Mel Brooks: The 99 Year Old Man!, a two part documentary about the 99-year-old actor's most influential and memorable moments. "My dad was in the bathroom, and he just collapsed in the bathroom, and Mel came back and realized, 'Uh oh, something's wrong.' And my dad died, like, right after that." "For months, months, months he would come to the house after my father died ...