Codename: Kids Next Door Season 2 Episode 12

In "Operation: D.O.G.F.I.G.H.T. (Dueling Over Gooey Frankfurters Inevitably Gives Hoagie Trouble)", Numbuh 2, one of the best pilots in the organization, suddenly finds himself being bested by another, more mysterious kid pilot who, like Numbuh 2, has a 2X4 aircraft of his own, which he uses to shoot down all of Numbuh 2's 2X4 aircraft.