Episode 1
Actor Ethan Hawke (Juliet, Naked (2018)); actor Lil Rel Howery (Rel (2018)); Meek Mill performs.
Episode 2
Actress Jennifer Garner (Peppermint (2018) and Camping (2018)); comic Jeff Foxworthy; Sheryl Crow performs.
Episode 3
Model Kendall Jenner; Paul McCartney performs.
Episode 4
Nick Jonas and Robin Schulz perform; actress Elizabeth Olsen (Sorry for Your Loss (2018))
Episode 6
Actor Matthew McConaughey (White Boy Rick (2018)); actor Norm Macdonald; Future performs.
Episode 7
Actor Daniel Radcliffe; actor Matt Czuchry; Teyana Taylor performs; Aerosmith performs with the Roots.
Episode 11
Guest co-host Kevin Hart; animal expert Robert Irwin.
Episode 12
Actor Jack Black (The House with a Clock in Its Walls (2018)); actress Angela Bassett (9-1-1 (2018)); Josh Groban performs.
Episode 15
Episode 16
Actor Alexander Skargard (Hold the Dark (2018)); retired professional basketball player Shaquille O'Neal; actor Justin Hartley ("This Is Us"); Bad Bunny perform.
Episode 17
Ricky Gervais (Child Support (2018)); Shawn Mendes talks and performs.
Episode 21
Actor Bradley Cooper ("A Star Is Born"); actress Kathryn Hahn ("Private Life"); Jim James performs.
Episode 24
Episode 25
Actor John Cena (Bumblebee (2018)); actress Maggie Gyllenhaal (The Kindergarten Teacher (2018) and The Deuce (2017)); H.E.R. performs.
Episode 26
Episode 27
Episode 28
Episode 29
Episode 30
Episode 31
Episode 32
Episode 33
Episode 57
Episode 58
Episode 62
Episode 63
Episode 64
Episode 65
Episode 66
Episode 67
Composer Lin-Manuel Miranda ("Mary Poppins Returns"); internet personality Tyler 'Ninja' Bevins; Black Thought and Salaam Remi perform;
Episode 138
Actresses Emma Thompson, Sophie Turner and Paula Pell join Jimmy along with baker Amirah Kassem
Episode 161
Singer Nicki Minaj; comic Phoebe Robinson (What Men Want (2019)); Julia Michaels performs;
Episode 174
Actress Julianne Moore, actor Jacob Tremblay & writer Julio Torres.
Episode 187