Chris Warfield

Robbie (Don Grady) tries to get a date with a classmate (Perri Sinclair), who does not seem to be interested. Robbie tries the approach his teacher, Mr. Wiley, uses in history class to get the students interested in what he is saying.

Perry is surprised to learn the murder weapon in a current case was once his property.

After a billion billion years the strange forces of cosmic energy have put together nameless nuclei that met and fell to Earth.

Lucy and Viv decide they need an extra room where they can entertain visitors.