Big Mouth is an adult animated coming-of-age sitcom created by Andrew Goldberg, Nick Kroll, Mark Levin, and Jennifer Flackett for Netflix. The first season, consisting of ten episodes, premiered on Netflix on September 29, 2017. The second season was released on October 5, 2018. The third season was preceded by a Valentine's Day special episode on February 8, 2019. Netflix renewed the series through to a sixth season in July 2019.