The Munsters are chosen as the "Average American Family" by a national magazines computers. When Grandpa finds out, he wants no part of it and hides in the house after promising not to go anywhere. Herman and Lily take off to look for him. Marlyn gives the magazine writer and photographer a room while they are gone.

Lily finds out Herman has some money problems and she goes to work to help out in secret because she is afraid that Herman will feel bad if he knows she is working.