Big Mouth — - Season 1

: Constantly battling his hormones, Andrew briefly dates Missy, though their relationship ends in a messy, tearful fallout.

: Primarily guides Jessi as she navigates her first period and changing family dynamics. Season 1 Character Arcs Big Mouth - Season 1

: Unlike Andrew, Nick remains frustrated throughout the season by his lack of physical development, feeling left behind as his peers hit puberty. : Constantly battling his hormones, Andrew briefly dates

: Struggles with the discovery of her mother’s affair and rebels by striking up a chaotic relationship with the eccentric Jay Bilzerian. : Struggles with the discovery of her mother’s

: Mainly pesters Andrew with constant urges toward masturbation and sexual arousal.

The season is noted for its unrestricted creative freedom on Netflix, allowing it to depict awkward experiences—like pancing incidents, "sheet sneezing," and first periods—that are often sanitized on network TV. Critics and viewers on Reddit praised its ability to turn mortifying personal stories from the creators' lives into relatable, therapeutic comedy.