Codename: Kids Next Door: Season 6, Episode 10
Operation G.I.R.L.F.R.I.E.N.D. (2 Nov. 2007)
Lizzie's always had to compete with the Kids Next Door for Nigel's attention, but now it seems she has a rival for his love! What kind of person would do such a thing?!
Writer:Tom Warburton (creator)