Operation: V.I.R.U.S / Operation: O.U.T.B.R.E.A.K.Operation: V.I.R.U.S: Numbuh 5 tries to save her sister Cree from a contagious disease that KND have made in revenge for creating chicken pox.
Operation: O.U.T.B.R.E.A.K.: The KND try to close up a virus being spread in a KND undersea laboratory.