Totally Spies! (2002)

S3E17 Super Agent Much?

Sam and Alex take Clover to task for her lack of effort during their missions. However, when they lose track of her on their next assignment, they’re shocked to discover that Clover has taken down the villain all on her own. Soon after, Clover’s behavior changes, and her spy skills improve dramatically. Curious, Sam and Alex dig deeper and uncover that Geraldine, the leader of the rival agency S.P.I., has covertly enhanced Clover into a super agent to recruit her. The story culminates in a showdown where Sam and Alex must confront Clover to bring their friend back. Meanwhile, Clover's new hectic life as a super agent disrupts her social calendar.