[s3e33] Skooled! – Top-Rated

In the Season 3 episode " Skooled! " of Star vs. the Forces of Evil , Meteora returns to St. Olga's to confront her past, discovering she is the daughter of Eclipsa Butterfly. The episode serves as a major lore drop, revealing that the Butterfly lineage is not pure and that Meteora was replaced at birth, driving her to embrace her monster form and become the primary antagonist. You can find more details at the Parenting Patch or Tumgik .

Star vs. the Forces of Evil - Skooled! (S3E33) - Parenting Patch