Joyce Wrigley's Head Plate - On the TV series THE ADVENTURES OF PETE AND PETE/NIK/1993-96 Pete Wrigley's mom Joyce (Judy Grafe) has a metal plate in her head. An X-ray image of the metal plate can be seen during the show's opening credits. The metal was implanted into Joyce's head after an accident as a child. On a romantic note: Joyce met her husband-to-be Don Wrigley (Hardy Rawls) when his metal detector was set off while searching for buried treasure on the beach. On occasion, Mom's metal head plate acts as a radio antennae and picks up local broadcasts.