Trivia: The book that Penny is reading is Nancy Drew #19, The Quest of the Missing Map. Some of the details on the back of the book are covered over.
Prof. Robinson: (responding to the deterioration of things gotten from the wish machine) Not that I'm sorry it happened. I'd just like to know why.
Maj. West: Maybe everything we thought of had a time limit.
Prof. Robinson: Then why did everything go sour at once?
Maj. West: When things go bad for no logical reason, I've always got an answer--Smith.
Will: I hope nothing happened to him.
Maj. West: Don't worry about him, Will. The bad penny always turns up.
Dr. Smith: (appearing outside the ship) Help! Help!