Justin Timberlake and Andy Samberg in Saturday Night Live (1975)

Justin Timberlake and Kristen Wiig in Saturday Night Live (1975)

Justin Timberlake and Jimmy Fallon in Saturday Night Live (1975)

Justin Timberlake, Amy Poehler, Maya Rudolph, Jason Sudeikis, Kenan Thompson, and Kristen Wiig in Saturday Night Live (1975)

Justin Timberlake and Will Forte in Saturday Night Live (1975)

Amy Poehler and Seth Meyers in Saturday Night Live (1975)

Christina Ricci, Chris Farley, Rob Schneider, Tim Meadows, M.C. Hammer, Melanie Hutsell, Lenny Pickett, and Jimmy Workman in Saturday Night Live (1975)

Eddie Murphy, Joe Piscopo, and Clint Smith in Saturday Night Live (1975)

Charles Rocket in Saturday Night Live (1975)

"Saturday Night Live" John Belushi circa 1975

George Harrison and Paul Simon in Saturday Night Live (1975)

Emily Blunt in Saturday Night Live (1975)

Gail Matthius in Saturday Night Live (1975)

Chris Farley and Beth Cahill in Saturday Night Live (1975)

Yvonne Hudson in Saturday Night Live (1975)

Macaulay Culkin in Saturday Night Live (1975)

Roseanne Barr in Saturday Night Live (1975)

Neil Levy and Ron Nessen in Saturday Night Live (1975)

Dick Ebersol and Susan Saint James in Saturday Night Live (1975)

Michael O'Donoghue in Saturday Night Live (1975)

Alan Zweibel in Saturday Night Live (1975)

Jane Curtin in Saturday Night Live (1975)

Gilda Radner in Saturday Night Live (1975)

Chevy Chase in Saturday Night Live (1975)

Laraine Newman in Saturday Night Live (1975)

Andy Kaufman in Saturday Night Live (1975)

Dan Aykroyd in Saturday Night Live (1975)

Chevy Chase and Jacqueline Carlin in Saturday Night Live (1975)

George Carlin in Saturday Night Live (1975)

Billy Preston in Saturday Night Live (1975)

Garrett Morris in Saturday Night Live (1975)

Lorne Michaels in Saturday Night Live (1975)

Julia Louis-Dreyfus in Saturday Night Live (1975)

Russell Crowe in Saturday Night Live (1975)

Ronda Rousey in Saturday Night Live (1975)

Adam Driver in Saturday Night Live (1975)

Chris Hemsworth in Saturday Night Live (1975)

Billie Eilish in Saturday Night Live (1975)

Tiffany Haddish in Saturday Night Live (1975)

Joan Cusack, Robert Downey Jr., Anthony Michael Hall, Jon Lovitz, Randy Quaid, Nora Dunn, Terry Sweeney, and Danitra Vance in Saturday Night Live (1975)