Big Mouth (Season 8)

Homecumming (Episode 1)

Air date: 2025-05-23

Runtime: 27 min

Overview: With a big dance approaching, FOMO's everywhere: Missy misses school, Matthew dives into the deep end — and Andrew suspects that Other Andrew is evil.

Cliques, Pricks, and Sonic's Dick (Episode 2)

Writer: Mitra Jouhari

Air date: 2025-05-23

Runtime: 28 min

Overview: Jessi and Jay pair up to parent a melon "baby," Missy faces her fears, and Nick and Other Andrew try to fit in with a group of ultra-rich kids.

Why Do We Go Through Puberty? (Episode 3)

Writer: Victor Quinaz

Air date: 2025-05-23

Runtime: 28 min

Overview: After Nick has a sudden growth spurt, Ms. Dunn takes the class inside the body of a teenager to learn about the wonders of puberty.

Lola Skumpy: License to Drive (Episode 4)

Writer: Jess Dweck

Air date: 2025-05-23

Runtime: 26 min

Overview: A reckless Lola gets behind the wheel, and Jessi and her mom have a really big fight. Nick's mother finds his "special shirt" while cleaning his room.

Am I Smoking Too Much Weed? (Episode 5)

Writer: L.E. Correia

Air date: 2025-05-23

Runtime: 28 min

Overview: Depression Kitty convinces an anxious Jessi to care less. Nick attracts Devin's attention, and the Robotics Club takes an overnight field trip.

Everyone Watches Porn (Episode 6)

Writer: Walter Kelly

Air date: 2025-05-23

Runtime: 28 min

Overview: Matthew explores his sexual preferences, Nick says the wrong thing, and Missy uses Andrew to make Nate jealous. Jessi finds a surprise on Camden's phone.

Have Some Goddamn Compassion (Episode 7)

Writer: Kelly Galuska

Air date: 2025-05-23

Runtime: 28 min

Overview: Connie recruits a Compassion Pachyderm to teach the kids how to see things from another point of view. Andrew sets out to steal Missy's man.

Horny Talky Yes Please (Episode 8)

Writer: Joe Wengert

Air date: 2025-05-23

Runtime: 28 min

Overview: Missy's Lovebug steps in to solve a problem, and Jessi practices enthusiastic consent. Nick tries life without porn. Lola gives Jay's dog a makeover.

Everything We Forgot to Tell You About Sex (Episode 9)

Writer: Emily Altman

Air date: 2025-05-23

Runtime: 28 min

Overview: In honor of the show's next-to-last episode, Maury and Connie dive into the "Big Mouth" mailbag to answer curious fans' burning questions.

The Great Unknown (Episode 10)

Writer: Gil Ozeri

Air date: 2025-05-23

Runtime: 32 min

Overview: As the kids creep closer to adulthood, a memorable finale takes them back to where it all began to say goodbye — and face the future.