Codename: Kids Next Door

Season 4 Episode 3 - Eps 3: Operation: N.U.G.G.E.T./Operation: M.A.C.A.R.R.O.N.I.

Taking numbers instead of names, five phenomenal 10-year-olds form a concealed team called the Kids Next Door with one specialized mission: to release all kids from the tyrannical rule of grownups.