W.A.T.C.H.B.O.T.s are the security robots of Sector V's treehouse. They are enemies in the Operation: V.I.D.E.O.G.A.M.E. level Operation: B.O.O.G.I.F.I.C.A.T.I.O.N. as a result of the treehouse's defense system being infected by bugs from the Common Cold. They appear when Numbuh 5 steps into the spotlight created from her room's disco ball.