There will be 10 half-hour episodes in this final season. “Big Mouth” is created and executive produced by Kroll, Andrew Goldberg, Jennifer Flackett and Mark Levin.

Jay Whitney, who has been sidelined from the stage since suffering a stroke in 2023. Trombone player Bill Dennee, who won for Brass Instrumentalist of the Year for his work with Big Mouth and the ...