Big Mouth season 1

The first season of Big Mouth, an American adult animated coming-of-age sitcom created by Andrew Goldberg, Nick Kroll, Mark Levin, and Jennifer Flackett, premiered on Netflix on September 29, 2017. The series centers on teens based on Kroll and Goldberg's upbringing in suburban New York, with Kroll voicing his fictional younger self. Big Mouth explores puberty while "embrac[ing] a frankness about the human body and sex."

Main

 * Nick Kroll as Nick Birch, Maurice the Hormone Monster, Coach Steve, Rick the Hormone Monster, Lola, the Statue of Liberty, a profane ladybug, Joe Walsh, the ghosts of Picasso and Richard Burton, Sylvester Stallone and a webcam girl
 * John Mulaney as Andrew Glouberman, Mint, Babe the Blue Ox, and Detective Florez
 * Jessi Klein as Jessi Glaser
 * Jason Mantzoukas as Jay Bilzerian, Guy Bilzerian and Socrates.
 * Jenny Slate as Missy Foreman-Greenwald, Ms. Razz and Fake Missy.
 * Fred Armisen as Elliot Birch, the ghost of Antonin Scalia and a bus driver
 * Maya Rudolph as Diane Birch, Connie the Hormone Monstress, a Bath Mat, the Ghosts of Elizabeth Taylor, Whitney Houston and Pornscape Residents
 * Jordan Peele as the Ghost of Duke Ellington (1899–1974), Featuring Ludacris, the ghosts of Freddie Mercury and Prince, Atlanta Claus, a DJ, and Missy's father Cyrus

Recurring
• Andrew Rannells as Matthew MacDell

• Paula Pell as Barbara Glouberman

• Richard Kind as Marty Glouberman and a Scammer

• Seth Morris as Greg Glaser and a Ninth Grader

• Jessica Chaffin as Shannon Glaser

• June Diane Raphael as Devin

• Jak Knight as DeVon

• Neil Casey as Lars, Detective Dumont and the Pornscape Residents

• Joe Wengert as Caleb, Mr. Albert, Go-Gurt Thief, Teacher

• Jon Daly as Judd Birch, Garrison Keillor, Magician #1

• Kat Dennings as Leah Birch

• Chelsea Peretti as Monica Foreman-Greenwald

Guest
• Heather Lawless as Jenna "Jay's Mom" Bilzerian

• Mark Duplass and Paul Scheer as Val and Kurt Bilzerian

• Nathan Fillion as himself

• Rob Huebel as Mr. Terry Lizer

• Kristen Bell as Pam and an uninterested girl.

• Jack McBrayer and Craig Robinson as Nick's pubic hairs

• Rosa Salazar as Miss Benitez

• Michaela Watkins as Cantor Dina Reznick

• Zach Woods as Daniel

• Alia Shawkat as Roland

• Kristen Wiig as Jessi's vulva

• Jess Harnell as Dwayne Johnson

• Mae Whitman as Tallulah Levine

• Jon Hamm as a plate of Scallops

Critical response
Big Mouth has received critical acclaim since its release. On Rotten Tomatoes, the first season has an approval rating of 100% based on 23 reviews, with an average rating of 8.10 out of 10. The website's critics consensus reads, "Big Mouth's simplistic animation and scatological humor belie its finely sketched characters and smart, empathetic approach to the messiness of adolescence." On Metacritic, it holds a rating of 80 out of 100, based on six critics, indicating "generally favorable reviews".