Live from New York, it's... Kristen Wiig! Sketches include "CNN-Univision Democratic Debate," "Annuale," "Rock of Love 2," "A Message for Old People" (Digital Short), "What's That Bitch Talking About?," "Celebrity Apprentice," "Ed Mahoney's Speech," "Virgania Harsen's Hot Air Balloons," "I Drink Your Milkshake," and "Lady Business." Carrie Underwood performed "All-American Girl" and "Flat on the Floor."

Live from New York, it's... Steve Carell! Sketches include "Pounder School Commencement Ceremony," "The Democratic Primaries," "Deal or No Deal," "Two A-Holes Do Karaoke," "The Japanese Office" (Digital Short), "McCain 2008," "The Charlie Flitt Show," "American Red Cross," and "Bless This Child." Usher performed "This Ain't Sex" and "Love in This Club, Part 1" (featuring Young Jeezy).

Live from New York, it's... Senator Barack Obama! Sketches include "Clintons' Halloween Party, "Maybelline for Men," "Bronx Beat," "Reilly's Way," "Publishers' Clearinghouse," "A Day in the Life of Brian Williams" (digital short), "Larry King Live," "iPhone," "Drexel University Debate," and "Dunham & Kirk." Feist performed "1-2-3-4" and "I Feel It All."

Live from New York, it's... Darrell Hammond and Amy Poehler! Sketches include "The Clintons' Income," "Annuale," "Grease Rehearsals," "Kevin's Farewell Party," "Laser Cats 3-D" (Digital Short), "Excited Sue," "Walken Family Reunion," "Indoor Gardening Tips," "Top Chef," and "Larry King Live." Panic at the Disco performed "Nine in the Afternoon" and "I Write Sins, Not Tragedies." Mariah Carey performed "Touch My Body" and "Migrate" (featuring T-Pain).

Live from New York, it's... Andy Samberg! Sketches include "A Message from Kevin Federline," "Veritas Ultrasound HD," "2007 National Douchebag Championships," "MacGruber" (three parts), "Jeremy and Sasha," "Fred Thompson '08," "America's First Colonists," "Rowlf & The Swedish Chef," and "Mad Joe Dixon." Spoon performed "The Underdog" and "You Got Your Cherry Bomb."

Live from New York, it's... Amy Adams! Sketches include "Clinton Attack Ad," "Mirror Image," "Green Card Couple Therapy," "A New Superhero" (Digital Short), "Fierce: The Hot Mess Makeover Show," "Penelope in Driving " "Dr. Uncle Jimmy's," "Roger Clemens Presents," "The Best of the Tookie Stiles Show," and "Dancing Galpals." Vampire Weekend performed "A-Punk" and "M79."

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Juno star Ellen Page hosts; Wilco performs songs from their new album, Sky Blue Sky.

Live from New York, it's... Amy Poehler! Sketches include "Burlington, VT 1985," "Ohhhhh!," "A Visit with Former Vice President Al Gore," "People Getting Punched Before Eating" (digital short), "Actober.com (ALCS)," "La Rivista Della Televisione," "The Captain's Purse," "Actober.com (NLCS)," "Notre Dame Football," "Natural Disaster," and "Iconoclasts." Bon Jovi performed "Lost Highway" and "Who Says You Can't Go Home"; Foo Fighters performed "The Pretender."

Live from New York, it's... Bill Hader! Sketches include "Spitzer & Associates," "MacGruber" (two parts), "What's Your Situation?," "Adam Grossman at Benihana," "The Suze Orman Show," "Andy's Dad" (Digital Short), "Target Greatland," "NBC Special Report," "Clancy & Jackie," and "Internet Date." Mariah Carey performed "Touch My Body" and "Migrate" (featuring T-Pain).

Live from New York, it's... Amy Poehler! Sketches include "The All-But-Certain-To-Be-Next-President," "Angry Dog," "Penelope's Charity Auction," "High School Musical 3," "Iran So Far" (digital short), "Read to Achieve," "The Lyle Kane Show," "The Best of Solid Gold," "Ambiguously Gay Duo" (cartoon), "106 & Park," and "Great Moments in Guidance Counseling." Kanye West performed "Stronger", "Good Life", "Champion", and an improvised version of "Everything I Am."

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