Elijah tries to figure out why he doesn't have the same urges as his friends. A jealous Andrew hops a train to Vermont to surprise Bernie

The voice of a slick, new tech accessory hypnotizes people into doing things they wouldn't normally do. Missy grapples with the concept of sin.

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.

Nick drags Andrew into the city to visit an old camp crush, but the day doesn't go as planned. Jay embarks on an emotional journey with his pillow.

Classic holiday stories get a naughty makeover in this special episode hosted by puppet versions of Maury and Connie.

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.

While Jessi sorts through her feelings for Ali, Nick joins Devon for a boys' night, Andrew shows off his new persona, and Missy starts a rumor online.

A DNA test leads Nick to uncover a wee family secret. Jay insists on introducing Matthew to the Bilzerian clan. Andrew puts his lovebug to the test.

Big Mouth goes global for a very special episode as Maury and Connie take a closer look at how kids around the world experience puberty.

As Andrew falls under the spell of the randy Hormone Monster, his buddy Nick becomes obsessed with the lack of changes in his own body.

Andrew struggles to keep the Hormone Monster in check as he works with Missy on a science fair project. Jessi and Matthew have fun at Jay's expense.

While helping Greg move into a seedy bachelor complex, the boys and their dads debate what women want -- and what it means to be a man.

Nick is bewitched by his cool new phone. A call from "Pharmacy Boy" turns Matthew into a nervous wreck. Jay finds a Netflix show made just for him.

The ghost of Duke Ellington takes Nick and friends on a journey back in time to 1913: the year he lost his virginity and found his true calling.

As Walter the love bug coaches Nick on matters of the heart, Jesse gets fired up about protesting the school's problematic mascot.

Missy tries to show her cousins she's not a dork, Andrew takes a stand against his dad's turkey tyranny, and Jesse hopes for a Thanksgiving miracle.

A viral quiz about naughty deeds sparks arguments and unlikely new friendships. Matthew plans a baby shower for Maury.

With two months left in eighth grade, the incoming freshmen tour their new high school with junior hosts while Jay evades his terrifying brothers.

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.

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.

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.

A trailer for a new movie starring The Rock leaves Andrew questioning his sexuality. Jessi and Nick's budding romance turns ugly fast.

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.

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.

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.