Honey, I Blew Up the Kid is the 1992 sequel to the 1989 film Honey, I Shrunk the Kids.
It's been three years since "nutty" professor Wayne Szalinski shrunk his kids. He and his family have now relocated from California to Nevada and have welcomed a new Szalinski into the family, 2 year old Adam. His wife, Diane, is going to help their daughter, Amy get settled in at her college, for which she is departing. As Diane is gone, Wayne is supposed to look after Adam and their oldest son, Nick.