Andi, Buffy and Jonah support Cyrus as he sits shiva for his grandmother; Bowie's homemade kugel dish creates a scandal.

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 questions her friendship with Buffy; Cyrus comes clean with his friends.

Andi attempts to enlist her friends in an epic group costume; Amber continues to vie for Jonah's attention; Bex makes a confession to Andi.

Andi and Walker realize how much they have in common when they spend the day together. Buffy steps up to lead the team in T.J.'s place when he is side-lined.

When Celia leaves town, Andi and Bex throw another party; Buffy and Cyrus share relationship woes; Andi shares a secret.

After much preparation and planning, Cyrus’ Bar Mitzvah festivities commence. Andi and her friends and family all join him in the celebration, which is full of landmark events for more than just Cyrus.

Andi and Bex plan a special dinner for Bowie, but unexpected company drops in to crash the party.

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 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 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, 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 makes a big decision about her future; T.J.’s act of kindness toward Buffy lands him in trouble; Amber asks Jonah for some space.

Bex throws Andi a house party!

Bex helps Andi stand up against the new dress code.

Amber fails to defend Jonah when her friends mock him.

When Andi and Celia spend more time together, Bex feels jealous; Buffy agrees to tutor TJ if he agrees to pass her the ball on the court.

Andi and Jonah go on their first date where she learns some sad news. Bex and Celia prepare for the grand opening of their business.

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's world turns upside down when her older sister, Bex, returns home on her 13th birthday and reveals a family secret.

Andi decides to keep the news about Bex from her friends.

Andi encourages Bowie to plan a future with Bex; Cyrus introduces his girlfriend, Iris, to Andi and Buffy; Jonah invites Andi to the Space Otters' party.

Andi takes a stand when students are divided into two groups, and one group receives preferential treatment at her school. Andi also learns AndiShack is in jeopardy.

Jonah tries to express his feelings for Andi through gifts, which proves not to be his forte. Buffy reveals she has to move, and Andi devises a plan for her to stay.