Seth Meyers

Live from New York, it's... Kenan Thompson!

Sketches include "Politics Nation," "Bengo F*** Yourself," "Xanax for Gay Summer Marriages," "A Depression Story," "New Beginners Flagstaff," "Greg Pulino's Wake," "Hermes," "Shauna and Kirk's Engagement Party," and "Ian Rubbish & The Bizarros."

Kanye West performed "Black Skinhead" and "New Slaves."

Live from New York, it's... Bill Hader!

Sketches include "The Benghazi Hearings," "1-800-Flowers.com," "The Californians," "Aw Nuts, Mom's a Ghost!" "The Lawrence Welk Show," "Target Greatland," "Douglaston Acupuncture," "Eddy's," and "Classy Sexy Elegnace."

Vampire Weekend performed "Diane Young" and "I'm Not Excited."

Live from New York, it's... Dennis Rodman!

Sketches include "Kim Jong-Un'sPolitburoAddress," "Outside The Lines," "The Voice," "Honeybaked Ham Bakeoff 2013," "Bathroom Businessman," "Million Dollar Wheel," "Leftover Pizza," and "The Art of the Encounter."

Phoenix performed "Entertainment!" and "Trying To Be Cool."

Live from New York, it's... Justin Timberlake!

Sketches include "Hugo Chavez Memorial," "It's a Date," "Veganville," "NuvaBling," "The Tales of Sober Caligula," "Maine Justice," "She's Got a D***" (film), and "Moët & Chandon."

Justin Timberlake performed "Suit & Tie" (featuring Jay-Z) and "Mirrors."

Live from New York, it's... Kenan Thompson!

Sketches include "Superdome Blackout," "The Californians," "Security Procedures," "Bravo Reality Shows," "Tell Me More," "The Miley Cyrus Show," "Glice," "A Sexy Valentine's Day Message," and "Booker T. Washington High Valentine's Dance."

Justin Bieber performed "As Long As You Love Me" and "Nothing Like Us."

Live from New York, it's... Kate McKinnon!

Sketches include "The Vice Presidential Debate," "Gillette Fusion," "The Californians," "Tech Talk," "Give Us All Our Daughters Back!," "Homer's Odyssey," "Washington High Hell-Oween Ball," and "Jillian Chizz Dance Studio."

Passion Pit performed "Take a Walk" and "Carried Away."

When the doctors discover that the practice's nurse has been doing a less than mediocre job at her tasks, Dr. Schulman tasks Dr. Reed with firing her. Mindy steps to hire her replacement much to Dr. Brooks' dismay.

Seth MacFarlane/Frank Ocean opened the 38th season of the NBC late night show Saturday Night Live. The singer Psy of the hit "Gangnam Style" made a surprise appearance, and Ocean performed "Thinkin Bout You" and "Pyramids" with John Mayer on guitar. MacFarlane, better known for his behind the camera work on "Family Guy" and "American Dad," appeared as an Amish wooden spoon salesman and a puppet instructor. (see synopsis in recap)

Live from New York, it's... Will Ferrell!

Sketches include "Joe Biden's Bedroom," "Nasaflu," "Culps at an LGBT Prom," "ESPN Classic, 1994," "#100 Celebration" (Digital Short), "Funkytown Debate," "Broadway Sizzle," "Vince and Angela's 25th Anniversary," and "Almost Pizza."

Usher performed "Climax" and "Scream."

Live fromNew York, it's... Taran Killam!

Sketches include "The Rush Limbaugh Show," "Benihana," "Science Finders" (Digital Short), "J Pop America Fun Time Now," "Dartmouth Primate Research," "Liza Minnelli Tries to Turn Off a Lamp," and "Pachelbel's Canon."

The Shins performed "Simple Song" and "It's Only Life."

Live from New York, it's... Jimmy Fallon!

Sketches include "Boston Teens Grown Up," "Today," "Michael Bublé Christmas Duets," "Jimmy's Dressing Room," "Lillian Sings and Reggie Dances," "Half Jewish, Half Italian, Completely Neurotic," "Season's Greetings from SNL," "Beethoven's 9th," "War Horse," and "Jesus Meets Tim Tebow."

Michael Bublé performed "Have a Holly Jolly Christmas" and "Have Yourself a Merry Little Christmas."

Live from New York, it's... Bobby Moynihan!

Sketches include "Mitt Romney and Chris Christie," "Lincoln Financial Group" (three parts), "Fox & Friends," "The Best of Both Worlds," "V-Necks" (Digital Short), "Shanna's Halloween Party," "Columbus Day A**blast!," "Bruce Springsteen: Just the Stories," and "Tinyballs."

Foster the People performed "Pumped-Up Kicks" and "Houdini."

Live from New York, it's... Bill Hader!

Sketches include "Either the 7th or 8th GOP Debate," "Red Flag," "All My Children Wrap Party," "WDHX 19 Buffalo," "Who's on Top?," "Top Gun Screen Tests," "Child Psychologist," and "Angels in the Trenches."

Radiohead performed "Lotus Flower" and "Staircase."