M.I. High S07E09 - The League of Mata Hari

Spy handler Frank is honoured and totally bowled over when he's invited to join a top secret order, the League of Mata Hari. However, the curious spies can't help but probe and their meddling leads them to a criminal conspiracy deep within MI9 that includes top brass! The team risk their careers and their lives to lead the purge of the traitors.