The New Adventures of Superman

The Deadly Dish (1x18)

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Lex Luthor builds a Kryptonite ray machine and plots to destroy Superman with it. He hypnotizes Lois, Jimmy, and Perry so that they get into danger within the range of his machine. When Superman comes to rescue them, he bring a lead shield. Safe from the Kryptonite rays, Superman destorys the machine and captures Lex Luthor.