Ep. 6: Karen becomes the fifth Pretty Cure as Nozomi recruits her after initial depression
Aired on March 11, 2007

Karen feels depressed because she failed to become a Pretty Cure. Nozomi believes Karen is destined to be the final Cure and attempts to recruit her again. Through this persistent effort, Karen eventually transforms into Cure Aqua. She officially joins the team as the fifth member of the PreCure group, completing the lineup.
Episodes
- Ep. 2 · Nozomi considers recruiting Rin Natsuki as a PreCure despite her initial refusal
- Ep. 3 · Nozomi and Rin meet Urara Kasugano who is curious about PreCure
- Ep. 4 · Tranquil Cure Mint!
- Ep. 5 · Karen is scrutinized as the final PreCure candidate despite her reluctance
- Ep. 6 · Karen becomes the fifth Pretty Cure as Nozomi recruits her after initial depression
- Ep. 7 · The PreCures free Nuts from the Dream Collet and seek a private meeting spot
- Ep. 8 · Rin and Karen’s Incompatible Personalities Challenge Their PreCure Partnership
- Ep. 9 · Suspicious Classmate Mika Questions the PreCures' Common Bond
- Ep. 10 · Nuts faints from hunger as Nozomi and others blame Coco for his neglect