The Ultra Guard Goes West: Part 2 (E15)

Ultraseven, manages to pull himself up to stop King Joe, who retreats to recuperate. Dorothy proposes a bomb made with Rylon 30, which can weaken King Joe's metal compositon. The resulting bomb freezes up the robot's joints and causes it to break down. As the Pedan try to escape in a saucer, Ultraseven destroys it with his Wide Shot, ending the threat... for now. (Prime Video)