Guest Stars: Simon Cowell as Himself | Joel McHale as Himself | George Lopez as Himself | Lena Dunham as Herself | Billy Crystal as Himself | Katie Couric as Herself | Chris Rock as Himself | Chelsea Handler as Herself | Jay Leno as Himself | Allison Janney as Herself | Arnold Schwarzenegger as Himself | Shia LaBeouf as Himself | Meryl Streep as Herself | Leslie Moonves as Himself | Eddie Redmayne as Himself |

Interviewees: Mila Kunis as Herself | Tom Hanks as Himself

Musical Guests: Modest Mouse as Themselves |

Interviewees: Chris Pine as Himself | Patricia Arquette as Herself

Guest Stars: Mariah Carey as Herself |

Musical Guests: Leon Bridges as Himself |

Interviewees: Kevin Hart (1) as Himself | Will Ferrell as Himself

Interviewees: Bob Odenkirk as Himself | Claire Danes as Herself | David Beckham as Himself

Interviewees: Aubrey Plaza as Herself | Matthew Perry as Himself | Thomas Lennon as Himself

Musical Guests: Olly Murs as Himself |

Interviewees: Jeremy Piven as Himself | Katie Couric as Herself

Interviewees: Jeff Goldblum as Himself | Rick Schwartz (2) as Himself | Beck as Himself

Musical Guests: Saint Motel as Themselves |

Interviewees: David Grohl as Himself | Jordana Brewster as Herself | Rainn Wilson as Himself

Interviewees: Megan Mullally as Herself | Rob Corddry as Himself | Tig Notaro as Herself

Interviewees: Josh Gad as Himself | James Van Der Beek as Himself | Jessie Ware as Herself

Guest Stars: Jennifer Hudson as Herself (Car Pool Karaoke) |

Interviewees: Erin Foster as Herself | George Ezra as Himself | Sara Foster as Herself

Interviewees: Andy Grammer as Himself | Freida Pinto as Herself | Jon Cryer as Himself

Interviewees: Katharine McPhee as Herself | Naomi Campbell as Herself | Nick Kroll as Himself

Interviewees: Simon Cowell as Himself | Michael Douglas as Himself | Jenny Lewis as Herself

Interviewees: Rosario Dawson as Herself | Sharon Osbourne as Herself | Tony Hale as Himself

Musical Guests: Mark Ronson as Himself |

Interviewees: Benjamin McKenzie as Himself | Kristen Stewart as Herself

Musical Guests: Natalie La Rose as Herself |

Interviewees: Courteney Cox as Herself | Joel McHale as Himself | Oscar Isaac as Himself

Musical Guests: Estelle as Herself |

Interviewees: Beth Behrs as Herself | Kat Dennings as Herself | Jason Alexander as Himself

Musical Guests: The Ting Tings as Themselves |

Interviewees: Gordon Ramsay as Himself | Julie Chen as Herself

Interviewees: Tituss Burgess as Himself | Anna Faris as Herself

Musical Guests: Kodaline as Themselves |

Interviewees: Eddie Izzard as Himself | Kathryn Hahn as Herself | Russell Crowe as Himself

Musical Guests: Manic Street Preachers as Themselves |

Interviewees: Idina Menzel as Herself | Kumail Nanjiani as Himself

Guest Stars: Whitney Cummings as Herself | Arnold Schwarzenegger as Himself |

Musical Guests: Gavin James as Himself

Musical Guests: OK Go as Themselves |

Interviewees: Kaley Cuoco as Herself

Interviewees: Dana Carvey as Himself | Elizabeth Olsen as Herself

Guest Stars: Justin Bieber as Himself (Car Pool Karaoke) | Sting as Himself (Cold Opening) |

Interviewees: Jeffrey Dean Morgan as Himself | Halle Berry as Herself