Season 6

Actor Ethan Hawke (Juliet, Naked (2018)); actor Lil Rel Howery (Rel (2018)); Meek Mill performs.

Actress Jennifer Garner (Peppermint (2018) and Camping (2018)); comic Jeff Foxworthy; Sheryl Crow performs.

Model Kendall Jenner; Paul McCartney performs.

Nick Jonas and Robin Schulz perform; actress Elizabeth Olsen (Sorry for Your Loss (2018))

Actor Matthew McConaughey (White Boy Rick (2018)); actor Norm Macdonald; Future performs.

Actor Daniel Radcliffe; actor Matt Czuchry; Teyana Taylor performs; Aerosmith performs with the Roots.

Guest co-host Kevin Hart; animal expert Robert Irwin.

Actor Jack Black (The House with a Clock in Its Walls (2018)); actress Angela Bassett (9-1-1 (2018)); Josh Groban performs.

Actor Alexander Skargard (Hold the Dark (2018)); retired professional basketball player Shaquille O'Neal; actor Justin Hartley ("This Is Us"); Bad Bunny perform.

Ricky Gervais (Child Support (2018)); Shawn Mendes talks and performs.

Actor Bradley Cooper ("A Star Is Born"); actress Kathryn Hahn ("Private Life"); Jim James performs.

Actor John Cena (Bumblebee (2018)); actress Maggie Gyllenhaal (The Kindergarten Teacher (2018) and The Deuce (2017)); H.E.R. performs.

Composer Lin-Manuel Miranda ("Mary Poppins Returns"); internet personality Tyler 'Ninja' Bevins; Black Thought and Salaam Remi perform;

Actresses Emma Thompson, Sophie Turner and Paula Pell join Jimmy along with baker Amirah Kassem

Singer Nicki Minaj; comic Phoebe Robinson (What Men Want (2019)); Julia Michaels performs;

Millie Bobby Brown/Finn Wolfhard/Gaten Matarazzo/Caleb McLaughlin/Noah Schnapp/Sadie Sink/Ramy Youssef/Ivan Orkin

Actress Julianne Moore, actor Jacob Tremblay & writer Julio Torres.