(Bratty And Bothersome Yelling Sometimes Improves The Tough Enemy Relations) Numbuh 4 gets a new teen babysitter, but what happens when she finds out about the KND? Can she be trusted, or does she have an ulterior motive? What connections does she have with Numbuh 1?

Wally and Kuki have had secret crushes on eachother for a while, now. As an accidental Treehouse lockdown leaves the two operatives alone, will Numbuh 4 finally reveal his feelings? Will Numbuh 3 finally reveal /her/ feelings? After all of the attempts that Wally has tried, this time, nothing will get in the way... Or will it?