: The series finale, titled "I Am Curiously Yellow," aired on May 15, 1970 . In this episode, a villain uses a hypnotic "gong" to force Max to help steal top-secret plans.
: Incorporate the Cone of Silence , which inevitably malfunctions, or Agent 13/44 being hidden in cramped, unusual places like mailboxes or lockers. Season 151970
: The Nigerian Civil War officially ended with the surrender of Biafra. : The series finale, titled "I Am Curiously
This season marked a significant shift as the show moved from to CBS for its final 26 episodes. : The series finale
: Use classic lines like "Would you believe...?", "Missed it by that much," and "Sorry about that, Chief".