Jack Black is hosting 'SNL' for the first time in nearly 20 years — and he kicked off tonight's episode with a song about his return as host.

Jack Black is returning to host “Saturday Night Live” for the fourth time, with musical guests Elton John and Brandi Carlile.

Jack Black rejoiced in his return to Saturday Night Live after nearly twenty years away, singing about the occasion to the tune of Aerosmith’s “Back in the Saddle.” ...

Jack Black had a “Saturday Night Live” audition all figured out, but ultimately decided to skip the tryout for the late-night ...

"It's been 20 years since I've been on this stage," A Minecraft Movie star said before rocking Studio 8H with Aerosmith's "Back in the Saddle." ...

Jack Black admitted in an interview with Variety that he’s “having lots of nightmares” about his April 5th gig on Saturday Night Live ... Possession Calling his return to Studio 8H ...

Jack Black is busy preparing for his return to the Saturday Night Live stage. “Just you know, having lots of nightmares and night terrors and also fond memories flooding back,” Black ...

Jack Black rejoiced in his return to Saturday Night Live after nearly twenty years away, singing about the occasion to the tune of Aerosmith’s “Back in the Saddle.” Black, who most recently ...

Jack Black rejoiced in his return to Saturday Night Live after nearly twenty years away, singing about the occasion to the tune of Aerosmith's "Back in the Saddle." Black, who most recently hosted ...