The blue and white toy robot Dr. Broidy repairs and activates while meeting with Pete is "Mister Brain, the Tru-Smoke Robot with a Memory." It was manufactured by Remco beginning in 1969.
Fourth and final appearance by series veteran Bill Zuckert (Frank Morrisey). Second and final series appearance by Robert F. Simon (Fred Styles).
Guest star Peter Hooten's stating he found the old fishing boat "cold" and "scary" was eerily prescient of his later role in Orca (1977).