In "Operation: A.R.C.H.I.V.E. (Ancient Recorded Children's History Is Very Enlightening)", the tale of how the animosity between children and adults got started is revealed, a la "The Second Renaissance". In "Operation: S.L.U.M.B.E.R. (Stupid Little Undercover Mission Becomes Exciting Romp)", Numbuh 86 is holding a girls-only slumber party... and nothing will keep Numbuh 4 from attending, even if he has to disguise himself as a girl.
Did You Know?
[to Numbuh 86
Go on an all-night mission with *you*? Sorry, but Numbuh 5 is gonna be busy *not* doing that.