While defending the protestors, Ken mentions that dolphins have "rescued men lost at sea." Dick van Dyke himself was in fact rescued once by porpoises after falling asleep on a surfboard and drifting out to sea.
Betty White and Dick Van Dyke would work together again a few years later on Dick's TV show Diagnosis Murder where Betty White played his sister Dora Sloan.
This episode aired on show creator Susan Harris's 49th birthday.