Watch Andi Mack Season 3 full episodes online.
Synopsis: Life goes from routine to a roller-coaster ride overnight for artistic teenager Andi Mack. It all happens on the eve of her 13th birthday when free-spirited older sister Bex who has been traveling around the world returns home to make a revelation, which changes everything for the Mack family. It turns out that Bex isn't Andi's sister she is her mother and Celia, who Andi thought was her mom, is actually her grandmother. Learning this family secret sends Andi on an uncharted course of self-discovery. She's not alone on her journey, as best friends Cyrus and Buffy are also trying to figure out their places in the world.
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