Eddie Rosson

Cissy is taking an art class and has been drawing caricature images of the family members, but does not mention one for Mr. French. He is hurt at being left out, however, Cissy has his picture and wants to surprise him with it.

When Bill returns home from a business trip, he finds that Cissy's hair style is different, Buffy has a new tooth, and he does not know who Jody's best friend is. Bill decides to stop traveling for his work, and become a full-time dad.

The Robinsons confront their mistrust of an alien family that has beamed in from space. Unable to understand their language, they fear for Will's safety when he and the little alien boy disappear.