Andi Mack Season 4 Episode 1 Full Episodesbr Let's Visit: br br br br br br br br Synopsis :br Andi is contemplative and artistic and sheltered by overprotective parents. But on the eve of her 13th birthday, Andi's free-spirited older sister Bex returns home with a revelation that changes everything and sends Andi on an uncharted course of self-discovery.