Frederick Frankenstein rejects his family heritage as a mad scientist, but when he finds a book revealing how his grandfather created a monster, he cannot resist building one of his own. Mel Brooks' spoof of James Whale's classic 1930s horror films, starring Gene Wilder, Marty Feldman, Madeline Kahn, Teri Garr, Peter Boyle and Gene Hackman.

A young neurosurgeon inherits the castle of his grandfather, the famous Dr. Victor von Frankenstein. In the castle he finds a funny hunchback, a pretty lab assistant and the elderly housekeeper. Young Frankenstein believes that the work of his grandfather was delusional, but when he discovers the book where the mad doctor described his reanimation experiment, he suddenly changes his mind.