Codename: Kids Next Door Season 2 Episode 12
Operation: K.I.S.S.
It is a clear case of Dr. Jekyll and Mr. Hyde when Numbuh 2's attempt to create a formula to strengthen hamsters causes him to transform into a teenager and back! Thrown out of the treehouse by his unknowing teamates, he seemingly finds solace when he runs into Numbuh 5's evil sister Cree, and she develops a crush on him!
- 2 - 25Operation: E.N.D.Jun. 04, 2004
- 2 - 24Operation T.R.I.P.May. 28, 2004
- 2 - 23Operation: D.O.G.-F.I.G.H.T.May. 28, 2004
- 2 - 22Operation: U.N.D.E.R.C.O.V.E.R.May. 21, 2004
- 2 - 21Operation: B.E.A.C.H.May. 21, 2004
- 2 - 20Operation: S.P.A.C.E.Dec. 12, 2003
- 2 - 19Operation: C.A.K.E.D.-T.W.O.Dec. 12, 2003
- 2 - 18Operation: B.R.I.E.F.Dec. 05, 2003
- 2 - 17Operation: R.E.P.O.R.T.Dec. 05, 2003
- 2 - 16Operation: C.O.L.L.E.G.E.Nov. 21, 2003
- 2 - 15Operation: T.H.E.-S.H.O.G.U.N.Nov. 21, 2003
- 2 - 14Operation F.U.G.I.T.I.V.E.Nov. 14, 2003
- 2 - 13Operation: G.H.O.S.T.Nov. 14, 2003
- 2 - 12Operation: K.I.S.S.Nov. 07, 2003
- 2 - 11Operation: F.L.A.V.O.R.Nov. 07, 2003
- 2 - 10Operation: O.O.M.P-P.A.H.Oct. 31, 2003
- 2 - 9Operation: S.H.A.V.E.Oct. 31, 2003
- 2 - 8Operation F.A.S.T.-F.O.O.D.Oct. 24, 2003
- 2 - 7Operation: M.O.V.I.E.Oct. 24, 2003
- 2 - 6Operation T.A.P.I.O.C.A.Oct. 17, 2003
- 2 - 5Operation: S.U.P.P.O.R.T.Oct. 17, 2003
- 2 - 4Operation: D.A.T.E.Oct. 10, 2003
- 2 - 3Operation: S.P.A.N.K.Oct. 10, 2003
- 2 - 2Operation: P.O.P.Oct. 03, 2003
- 2 - 1Operation: C.A.T.S.Oct. 03, 2003