1975 The Secrets of ISIS S01E04 The Sound of Silence

The Secrets of Isis Original title: Isis TV Series 1975–1976 Not Rated
JoAnna Cameron in The Secrets of Isis (1975)
An archaeologist gains an amulet that allows her to transform into the superheroine goddess Isis and fight evil.
Creator: Marc Richards
Stars: JoAnna Cameron, Brian Cutler, Joanna Pang
S1.E4 The Sound of Silence Episode aired Sep 27, 1975
The Secrets of Isis (1975)
A student in need of money to buy a car, steals a device from Andrea that creates an impenetrable force field and sells it to a local crime boss. Isis goes in pursuit when she discovers the device has developed a dangerous radioactive leak.
Director: Arnold Laven
Writers: Sidney Morse, Marc Richards
Stars: JoAnna Cameron, Brian Cutler, Joanna Pang