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

Bex helps Andi stand up against the new dress code.

Amber fails to defend Jonah when her friends mock him.

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

Bex throws Andi a house party!

Andi must adjust to Bowie being in her life full time.

Andi and Bex adjust to their new living arrangement.

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

Bex and Cyrus have news for Andi.

Andi tells Jonah about seeing Amber with another guy.

Jonah asks Andi to help him pick out a gift for Amber.

Andi gets in trouble for the first time at school.

Andi's upset when Buffy and Bex spend time together.

Andi tries to convince her friends to find a new hangout spot to avoid Amber at The Spoon. Buffy tries out for the boys’ basketball team.

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 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 invites Jonah to her Chinese New Year celebration, which gets awkward when Celia’s sister Aunt Mei visits. Buffy signs up for the boys’ basketball team tryouts.

Andi and Bex discover that Bowie may be seeing someone; Cyrus is selected to make a video for the school, but realizes he may be better behind the camera.

Andi is left confused when Jonah stops wearing the bracelet and tells her he doesn’t like labels. At her basketball game, Buffy finally gets what she has been hoping for.

Andi learns more about her past on the anniversary of the day Bex left home. Jonah attempts to teach Cyrus how to skateboard.

Andi invites Amber over for a sleepover. Buffy is frustrated when the basketball team captain TJ excludes her from gameplay.

Andi and Jonah go on a double date with Buffy and Marty to an arcade; meanwhile, Cyrus decides to shoot a movie with Bex's encouragement.

Andi questions her relationship with Jonah; after a discouraging talk with Amber, Andi enlists Buffy and Cyrus to investigate.