8.2
/10
Leah Birch is a fictional character portrayed by Chloe Fineman in the TV series Big Mouth.
In the first episode they appeared in, titled No Nut November (season 5), they were 33 years old.
They appear in 16 episodes out of a total of 71 aired so far
Leah Birch is also portrayed by Kat Dennings.

Leah Birch

by Chloe Fineman

character

Episodes16

  • 7.8
    /10

    No Nut November
    episode S5.E1 november 2021
    To get his mind off Lola, Jay begs his pals to join him in a monthlong challenge. Missy's caught off guard by a new crush.
  • 8
    /10

    The Shane Lizard Rises
    episode S5.E2 november 2021
    Eager to get his mojo back, the Shame Wizard drops in on swim class to torment the kids with bodily insecurities.
  • 7.6
    /10

    The Green-Eyed Monster
    episode S5.E4 november 2021
    Unrequited love and jealous rivalries turn the friends into seething beasts. Andrew gets a little too invested in a substitute teacher.
  • 7.3
    /10

    Thanksgiving
    episode S5.E5 november 2021
    Missy tries to show her cousins she's not a dork, Andrew takes a stand against his dad's turkey tyranny, and Jessi hopes for a Thanksgiving miracle.
  • 8.2
    /10

    Sugarbush
    episode S5.E9 november 2021
    On a Birch family ski trip, Leah prepares to go all the way with Val, and Andrew hits it off with a fellow ski noob. Matthew helps Jay out of a slump.
  • 7.4
    /10

    The Hookup House
    episode S6.E1 october 2022
    After being snowed in with their families, the restless friends flock to Bridgeton's latest make-out spot. A new classmate catches Missy's eye.
  • 6.8
    /10

    The Apple Brooch
    episode S6.E6 october 2022
    The voice of a slick, new tech accessory hypnotizes people into doing things they normally wouldn't do. Missy grapples with the concept of sin.
  • 6.9
    /10

    Dadda Dia!
    episode S6.E7 october 2022
    Lola hits the jackpot- in more ways than one. Missy takes her dad to Elijah's church. The Birches make a plan to get rid of their new housemate.
  • 7.4
    /10

    The Parents Aren't Alright
    episode S6.E9 october 2022
    While Andrew and Nick deal with parental crises, Jessi meets her new sibling, and Matthew realizes he's made Jay into a different person.
  • 7.3
    /10

    Big Mouth's Going to High School (But Not for Nine More Episodes)
    episode S7.E1 october 2023
    With two months left in eighth grade, the incoming freshmen tour their new high school with junior hosts while Jay evades his terrifying brothers.
  • 7.4
    /10

    Epididymitis
    episode S7.E2 october 2023
    A doctor puts Andrew on testicular rest, Nick asks Jay to help him get in shape for high school and Jessi becomes fascinated by Caitlin's breastfeeding.
  • 7.4
    /10

    The Ambition Gremlin
    episode S7.E3 october 2023
    With no distractions, Andrew's schoolwork improves - winning his father's praise. Jessi goes a little too far when trying to emulate cool, mature Leah.
  • 7.6
    /10

    Day Tripping
    episode S7.E4 october 2023
    While Andrew and Nick follow Judd to Brooklyn to score drugs, Jay gets jealous of Kurt and Lola's relationship, and Jessi oversteps at Matthew's house.
  • 7.1
    /10

    Get the F**k Outta My House
    episode S7.E7 october 2023
    Andrew takes a liking to his new neighbor - and her mom. Nick wants to be more than Danni's friend, but her entanglement with Travis gets in the way.
  • 7.3
    /10

    The Bad Hookup
    episode S7.E8 october 2023
    At their first high school party, Andrew discovers his talent for drinking games, Nick hopes for a shot with Danni, and Missy meets a potential rebound.
  • 7.4
    /10

    A Finger in Time
    episode S7.E10 october 2023
    The Big Mouth kids start high school! Andrew looks inside himself to solve his problem with Pumbaa while dread stops Missy from attending her first day.