SNL' pays tribute to the late Val Kilmer, who hosted the show in 2000, and later returned for a cameo in the Lonely Island's digital short "Best Friends" alongside Andy Samberg, Katy Perry, and Matt ...

but the Saturday Night Live alum still wishes it would've happened. 'That is, maybe to this day, the biggest regret of my whole career — that I never did The Amazing Race with Val,' he said.