Join mischievous Gilly (Kristen Wiig) as she takes a look back at some of SNL's most memorable holiday sketches. Enjoy the hysterical Will Ferrell in Mark Jensen's Family Christmas, Adam Sandler's Hanukkah Song, Bill Hader in Vincent Price's Christmas Special, Andy Samberg as Mark Wahlberg, Jason Sudeikis and Kristen Wiig as Two A-Holes, Alec Baldwin in Schwetty Balls, TV Funhouse and many more.  Special guests include Justin Timberlake, Alec Baldwin, Hugh Laurie, James Franco, Drew Barrymore, Steve Martin, Rosario Dawson, Zac Efron and Robert De Niro.