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Season guide

Big Mouth: Season 4

10 episodes Premiered Dec 4, 2020
Previously on Big Mouth

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • Directly follows the overarching narrative developments of Big Mouth Season 3.
  • Faction dynamics and core character alliances shift under escalating external stakes.
  • Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • Sets up serialized story arcs that build directly toward the climactic season finale.
Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

30%
70%
Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

The New Me

Dec 4, 2020

At sleep-away camp, Jessi befriends her trans cabinmate, and Nick discovers his two best friends have a little too much in common.

S4·E2 Core

The Hugest Period Ever

Dec 4, 2020

While Jessi deals with menstrual mayhem, Nick tries to avoid showering with the guys, and Missy gets a makeover from her cousins in Atlanta.

S4·E3 Core

Poop Madness

Dec 4, 2020

On the last night of camp, bowel problems, a talent show and a hookup lead to hurt feelings. Back home, Jay and Lola throw a pool party.

S4·E4 Core

Cafeteria Girls

Dec 4, 2020

After seeing their eighth grade classmates coupled up, Nick and Andrew make a play for two seventh grade girls. Jessi adjusts to life in the city.

S4·E5 Core

A Very Special 9/11 Episode

Dec 4, 2020

On a trip to the 9/11 museum, Nick and Andrew sneak off to meet Jessi, Devon teaches Missy about code-switching, and Coach Steve gets a rude surprise.

S4·E6 Core

Nick Starr

Dec 4, 2020

Thirty years in the future, rich but lonely game show host Nick prepares to flee a dying Earth. But first, he has to track down the perfect plus-one.

S4·E7 Core

Four Stories About Hand Stuff

Dec 4, 2020

The kids at Bridgeton Middle explore enthusiastic consent, feminine pleasure, coercion and more in four short films.

S4·E8 Core

The Funeral

Dec 4, 2020

Wracked with guilt, Andrew tries to keep his urges in check. Matthew's mom ices him out of the church bake=off after reading his texts.

S4·E9 Mytharc

Horrority House

Dec 4, 2020

A trippy haunted house hosted by Kappa Kappa Kill forces each of the friends to reckon with their biggest fears.

S4·E10 Mytharc

What Are You Gonna Do?

Dec 4, 2020

Forced out of his own body by his smug alter ego, Nick fights back - with help from his friends and Gratitoad. Matthew comes out to his dad.