When Does Big Mouth Season 9 Come Out? Is It Renewed?

What is Big Mouth about?

Big Mouth is a show about puberty that actually understands puberty is weird and terrible and hilarious all at once. It follows a group of seventh graders through the physical and emotional chaos of adolescence, but it does so by leaning into the grotesque. Hormone monsters shaped like wrinkled old men and women whisper encouragement into kids' ears. Bodies transform in alarming ways. Friendships collapse over nothing and then solidify again. If you've been a teenager, you'll recognize the feeling of being completely out of control while everyone around you pretends everything is normal. That's the show.

What makes Big Mouth work is its commitment to actually being about something rather than just trading in shock value. The exaggerated animation style and crude humor serve a purpose: they make internal experiences visible. When a character is spiraling, the show spirals with them. When there's genuine tenderness between friends, it sits comfortably next to the jokes. The voice cast is strong (John Mulaney, Maya Rudolph, Nick Kroll), and the supporting characters often steal scenes, particularly the parents, who are written with surprising depth.

The show built a devoted audience over eight seasons, though critical reception has been more mixed than its IMDB score suggests. Some critics felt the humor relied too heavily on shock, especially in early seasons, while others praised it for handling awkward topics with real warmth underneath the absurdity. The later seasons especially found a better balance between gags and character development. It's never been as universally beloved as prestige animated comedies like Bojack Horseman, but it's earned respect for actually trying to say something true about being young.

Big Mouth ends not by abandoning its characters but by aging them out of the show's central premise. That's both the point and a loss. Eight seasons is enough to watch these kids grow up, to see the hormone monsters fade, and to understand that whatever chaos defined adolescence gets replaced by different kinds of confusion. It's a fitting ending for a show that never pretended growing up was anything other than exactly what it is.

Created by Mark Levin, Nick Kroll, Jennifer Flackett, Andrew Goldberg

Is Big Mouth renewed or cancelled?

Why did Big Mouth end?

Big Mouth ran for eight seasons and closed out its story in May 2025, having spent nearly a decade following its core cast through adolescence and into adulthood. The show's premise, built around the messy reality of puberty and teenage sexual awakening, naturally reached a point where continuing became difficult. The characters had aged beyond the circumstances that drove the series, and stretching the narrative further would have required either resetting the premise or fundamentally changing what made the show work.

Creator Andrew Goldberg and his team appear to have made a deliberate choice to end the series while it still had momentum rather than let it fade. By the time the final season arrived, Big Mouth had already proven its staying power over more than seven years on Netflix, surviving network shifts and evolving content standards. Eight seasons is a solid run for an animated comedy, and the decision to conclude suggests the creators wanted control over when and how the story ended rather than waiting for Netflix to make that call.

Netflix's willingness to let the show complete its arc speaks to the series' value as a flagship comedy during a period when the streamer was building its animation slate. Big Mouth never became a breakout mainstream hit, but it built a loyal audience and critical respect, which likely gave Goldberg the room to bring things to a close on his own terms. The show's ending is one of the cleaner exits in recent television, the work of creators who knew when the time had come to move on.

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