Big Mouth Season 4 Plot
On the brink of eighth grade, the friends contend with summer camp torments, shady alter egos, new make-out frontiers and Tito the Anxiety Mosquito.
Where to Watch
Region
Prices last updated October 9, 2026. Pricing and availability may vary by region.
powered by JustWatch
Season 4 Episodes
10 episodes
1
76
The New Me
At sleep-away camp, Jessi befriends her trans cabinmate, and Nick discovers his two best friends have a little too much in common.
2
73
The Hugest Period Ever
While Jessi deals with menstrual mayhem, Nick tries to avoid showering with the guys, and Missy gets a makeover from her cousins in Atlanta.
3
70
Poop Madness
On the last night of camp, bowel problems, a talent show and a hookup lead to chaos — and hurt feelings. Back home, Jay and Lola throw a pool party.
4
73
Cafeteria Girls
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.
5
75
A Very Special 9/11 Episode
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.
6
83
Nick Starr
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.
7
70
Four Stories About Hand Stuff
The kids at Bridgeton Middle explore enthusiastic consent, feminine pleasure, coercion and more in four short films.
8
74
The Funeral
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.
9
77
Horrority House
A trippy haunted house hosted by Kappa Kappa Kill forces each of the friends to reckon with their biggest fears.
10
76
What Are You Gonna Do?
Forced out of his own body by his smug alter ego, Nick fights back — with help from his friends and the Gratitoad. Matthew comes out to his dad.