 In "Operation: B.U.T.T. (Blackmail Uncovers Titanic Tush)", when the KND force Numbuh 1 to take time off at the beach, they unwittingly set him up for exposure in the most embarrassing way possible. In "Operation: T.R.A.I.N.I.N.G. (Tiny Recruits Ambushed In Nefarious Invasion Need Guts)", at the KND Arctic training base, a handful of new KND trainees, including Numbuh 2 s little brother, Tommy, are supposed to receive their training via simulations, but soon they re up against something that is no simulation whatsoever.