Grandpa creates a love potion for Marilyn because her boyfriends keep running away. When his attempt to give the potion to Marilyn backfires, Lily and Herman inavertently find themselves the unwilling targets of amorous advances made by their nosy neighbors.

Grandpa plays with one of his electronic gadget and over hears Lily talking about a new playmate for Eddie. Her plans are to babysit Dr. Dudley's son while he is out of town. Herman and Grandpa then think she is going to have a baby and get all exited.