S01E42 - Le coeur brise de Mathilda
Synopsis
Kunzite tries to discover the Sailor Warriors' identities through Katarina, an old friend of Minako's. Katarina calls Minako and asks if they can meet. They used to do missions together when Minako was Sailor V. After Katarina thought that Minako had died during a mission, she and Allen (Minako's boyfriend) fell in love. Minako is overwhelmed with sadness from these memories. After they part ways, Kunzite turns Katarina into a monster. Sailor Moon arrives just in time to fight. Sailor Venus begs Sailor Moon to restore Katarina's humanity, even though Katarina stole her boyfriend.