"What's the difference if they watch or not, the show's been on for 40 years," 'Curb Your Enthusiasm' star quips
1979 sketch also featured John Belushi and Dan Aykroyd as "The Elvii," Garrett Morris as Bob Marley and more
Melissa McCarthy will host upcoming episode, which airs on February 13th
Tina Fey as Sarah Palin, a 'Bachelor' spoof and Leslie Jones' "Weekend Update" visit highlight MMA fighter's episode
Singer brings three 'Revival' singles - "Good for You," "Same Old Love" and "Hands to Myself" - to Ronda Rousey-hosted episode
'Portlandia' star reminisces about Bowie's "life-changing" 1979 performance on 'SNL'
'Force Awakens'/'Undercover Boss' mash-up, "America's Funniest Cats" and a Golden Globes sketch highlight strong episode
Comedian aims for the awkward and uncomfortable in hilarious interviews
Kate McKinnon's Clinton meets her 2008 counterpart in "A Hillary Christmas"
'Meet Your Second Wife,' a Time-Life DVD of Christmas carols and Kate McKinnon's Deenie highlight 'Sisters' co-stars' return
The E Street Band also delivers "The Ties That Bind" and debuts "Meet Me in the City" in first 'SNL' performance since 2002
Amazon's TV-programming crown jewel and Will Ferrell's peerless POTUS impersonation return for one helluva TV weekend
An action-movie parody, Will Ferrell's George W. Bush and Kate McKinnon's Angela Merkel highlight latest episode
Chicago rapper premieres "Somewhere in Paradise" with Jeremih, performs Donnie Trumpet and Social Experiment's "Sunday Candy"
"The field of Republicans out there is so messed up I figured, it makes you miss me, doesn't it? And that's saying a lot," Ferrell's Bush says