Sketches include ""George W. Bush and Al Gore at Chi-Chi's,"" ""Gemini's Twin,"" ""Celebrity Jeopardy,"" ""Pretty Living,"" ""Jarret's Room,"" ""Christmas Ornaments,"" and ""Robert Goulet Rap.""

Live From New York, it's...Chris Parnell

Sketches include: A Message from the President of the United States, Swiffer Sweepers (rerun from the Sarah Michelle Gellar episode of this season), Bloder Brothers, CBS News: School Elections, The Sadistic Bikini Waxer, Ferey Muhtar Talk Show, Missy Elliot's Weight Loss Tape, Falconer, Pier 1 Imports, Goodwin Attorney, and Vasquez

Live from New York, it's Darrell Hammond (and back on SNL after 24 years, it's Dan Aykroyd!)

Sketches include: Hardball, Top O'The Morning, The Rialto Grande, TV Funhouse: Cokee, The Most Expensive Dog in the World, The Falconer, Donatella Versace's Backyard Barbecue, The Dog Restaurant (La Cuisina Canina), Astronaut Jones, and Dr. Deacon's Haunch Crack Powder

Beyonce performs ""Crazy In Love"" (with Jay-Z) and ""Dangerously In Love"" (by herself)

Sketches include "Lawrence Welk Cold Open," "Betty White Monologue," "NPR," "The Manuel Ortiz Show," "Gingey," "Weekend Update," featuring Molly Shannon as Sally O'Malley and Betty White as Dottie Donigan, "Scared Straight" and "Census 2010."

Host and musical guest Justin Timberlake.

Ryan Gosling hosts with musical guest Jay-Z.