Actress K.C. Ligon, who played Patty Nash, was married to actor Tom Ligon, who played the Young Man being brainwashed in a castle bedroom.
The castle in the desert that is featured in this episode is the same location featured in the season 2 Charlies Angels episode "Unidentified Flying Angels".
Theme music has changed on opening credits.
Roger E. Mosley (The Black Baron), pilot of the plane, goes on to play T.C. who flys a helicopter in the series Magnum P. I. (TV Series 1980-1988).
The weapons that Starsky, Hutch and the Black Baron are using are Smith & Wesson 76: American's Vietnam 9mm Sub-Machine Guns.