John Mulaney will host "Saturday Night Live" for the fourth time on Oct. 31. Mulaney will star in two upcoming "Sack Lunch Bunch" specials on Comedy Central.

The Strokes will make their fourth appearance as musical guest. Their latest album, "The New Abnormal," reached #1 on Billboard's Top Rock Albums and Alternative Albums charts.

Dave Chappelle will host "SNL" for the second time, having received an Emmy Award for his first hosting appearance following the 2016 presidential election. His most recent stand-up special, "Dave Chappelle: Sticks & Stones," received three Emmys.

Foo Fighters will perform as musical guest for the eighth time. The band is celebrating the 25th anniversary of their self-titled debut album.