LeBron James hosts the Season premiere with musical guests -Kanye West.

Comedian Seth Rogan hosts with musical guest Spoon.

Opening: Amy Poehler’s House, October 13, 1986; Jon’s monologue-song with Bon Jovi; The game show: Ohhh!; A Visit with Former Vice President Al Gore; SNL Digital Short: People Getting Punched Right Before Eating; Show: La Rivista Della Televisione; Weekend Update: Amy Poehler and Seth Meyers; Musical Guest: Foo Fighters perform The Pretender; Sketch: Missing Purse in Enemy Territory; Commercial: Postseason with Dane Cook; Commercial: Notre Dame on NBC; Sketch: Sayreville, NJ, 1984; Commercial: Iconoclasts; Bon Jovi performs Who Says You Can’t Go Home?

NBC news anchor Brian Williams hosts with musical guest Feist.

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... Senator Hillary Rodham Clinton! Sketches include "MSNBC Democratic Debate," "Clinton's Response," "The Dakota Fanning Show," "The Obama Files" (cartoon), "The College for Excellence," "The Other Boleyn Girls," "Nightmares" (Digital Short), "Shopping with Virginiaca," "The Continuing Adventures of Peter Pan," and "Melissa Etheridge Concert."

Live from New York, it's... Amy Poehler! 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 Gal pals." Vampire Weekend performed "A-Punk" and "M79."

Actor Jonah Hill (Superbad, Forgetting Sarah Marshall) hosts with musical guest Mariah Carey.

Actor Christopher Walken hosts with musical guest Panic at the Disco.

Will Forteis live from New York. The Sketches covered on the episode include General Petraeus Hearings, Outside the Nightclub, The Cougar Den, Activia Commercial Shoot, Daiquiri Girl (Digital Short), Death by Chocolate (three parts), Amie, The Mellow Show, and Paraplegic Exotic Dancer. Gnarls Barkley performed Run and Who's Gonna Save My Soul.

Actor Shia Lebeouf hosts; My Morning Jacket performs I’m Amazed and Evil Urges.

Actor Steve Carell hosts; Usher performs This Ain’t Sex and Love in This Club, Part 1