Saturday Night Live Jack Black Season 51 Episode 16 Editor’s Rating 4 stars * * * * « Previous Next « Previous Episode Next Episode » Jack Black makes the most of his fifth turn as host by leading a high-energy night of entertaining sketches, characters, and celebrity cameos. Photo: Will Heath/NBC This time last year, Jack Black hosted Saturday Night Live for the first time since the early 2000s ; this week, Black returned for his five-timers club debut. The thing about Jack Black hosting is