Mathnet· Season 1 · Episode 6The Mystery of the Maltese PigeonS01E06·March 2, 1987·PBSNot streaming in your region — see every region's optionsShareGuest starsMMary Watsonas Debbie WilliamsPreviousThe Problem Of The Dirty MoneyS01E05NextThe Problem of the Trojan HamburgerS01E07Keep going