Irwin fired a pistol on sets often to get the reaction from the actors he wanted.
Irwin didn't like female guest stars on Voyage To The Bottom Of The Sea as he felt they spent too much time in make-up. By the third season of the show, he had eliminated any female guest appearances entirely.
Irwin won the Oscar for Best Documentary for The Sea Around Us (1952) and was nominated for Best Picture with The Towering Inferno (1974).
Irwin Allen: Starting a picture, starts with a picture.
Irwin Allen: Me, if I can blow up the world in the first ten seconds, the show is a flop.