Friends and family gather to celebrate the Harvest Moon Festival, but Jonah's mishap may spoil the evening; Celia attempts to one-up her sister, Mei, by announcing a special event; Andi and Jonah have a heart-to-heart talk about their relationship.
Andi's plans for a group outing with Buffy, Cyrus and Jonah are interrupted by Walker; Bowie's new guitar student proves to be a challenge; Cyrus seeks an alternative to P.E. and ends up in a dance class.
Andi is embarrassed when Jonah performs a song about her; Bowie decides to renovate Bex and Andi's apartment to make it big enough for their whole family to live in; Buffy conducts her first girls' basketball team tryouts.
Feeling left out by her friends, Andi spends time with Amber; Andi and Celia pick out Bex's wedding cake; Bowie helps a guitar student break some bad news.
Andi, Bowie and Bex are surprised by an impromptu visit by Bowie's mother; while hanging out with T.J.'s friends, Cyrus faces a dangerous situation; Buffy and Jonah learn a secret about their school principal.
Andi gets in over her head when she attends a high school party with Amber, causing Bowie's plans for a romantic outing with Bex to go awry; Cyrus tries to mend a longtime rift between Jonah and T.J.
Andi lends a hand when Buffy's coaching skills are tested at the school's first girls' basketball game; Amber helps Cyrus create a dance routine; Libby is disappointed that Jonah hasn't learned sign language.
Andi releases her frustrations about Bex and Bowie’s canceled wedding; Cyrus invites Jonah to a backyard campout; Buffy competes in a marathon with Marty.
Andi, Buffy, Jonah and Cyrus take a stand against a wasteful clothing company; Cyrus is disappointed by T.J.’s new friendship; Celia refuses to forgive Bex.
Andi creates an art project to combat stereotypes; Bowie reveals his true feelings about the wedding; Jonah and Amber are not on the same page with their relationship.