Summary: Numbuh 5 tries to save her sister Cree from a contagious disease that KND have made in revenge for creating chicken pox which is revealed to be a giant pimple on Cree's cheek. Cree has unleashed Patient C before leaving the KND Scientific Research SeaBase. * Operative Debutes: Numbuh 20,000 * Location: Sector V Treehouse and KND Scientific Research SeaBase * Villain(s): Cree Lincoln * Other Characters: Dr. Lincoln Mrs. Lincoln Maurice Sector V