Operation: L.I.C.E. / Operation: L.I.Z.Z.I.E.

S1, E7: "OPERATION: L.I.C.E." The DELIGHTFUL CHILDREN FROM DOWN THE LANE infect the KIDS NEXT DOOR Treehouse with a strain of gigantic lice. Breeding rapidly and growing to monstrous size, the insects quickly take over and the KND must battle the giant queen louse to de-bug their beloved headquarters. "OPERATION: L.I.Z.Z.I.E." NUMBUH ONE has a secret girlfriend bent on making him a slave to her affections. But when her advances threaten to break up the KIDS NEXT DOOR, NUMBUH ONE's teammates must derail the love train.