How did Mondrago and his servant know about the burial crypt ten years before the archaeology team "discovered" it in the teaser?
After his violent and fatal car crash it's never explained why Dr. Ventnor's car had no brake fluid in it. Apparently the doctor was very negligent with his car.
Duncan: She wasn't one of those country club broads with a cocktail in one hand and a motel room key in the other.
Al Eben gets his first credit for the recurring role of Doc (Bergman), but he doesn't actually appear in this episode.
Herman Wedemeyer and Moe Keale (credited as Wilfred Keale) appear as guest stars in this episode. Beginning with "Death is a Company Policy" at the beginning of Season Five, Wedemeyer played Edward "Duke" Lukela on a recurring basis for four seasons. In Season Nine, he joined the main cast, while continuing to appear as Duke.
Moe Keale joined the main cast in Season Twelve as Detective Truck Kealoha, beginning with the first episode of that season, "A Lion in the Streets (1)."
The official syndication number for this episode is 7101.
The opening titles and main theme appear in a different arrangement from the one used in previous seasons. Dialogue overlaps the opening credits in the new version.