The Ultraman: S1 E29 - The UFO With The Devil-Heart Attacks! The Ultraman

Invading Alien Jadan sends out countless UFOs. The Space Self-Defense Unit goes out to fight them off, but the alien succeeds in invading Earth. The Science Guard Party shoots down the UFOs, but Jadan possesses a human, infiltrates the Far East Zone base and destroys the system before changing into Monster Jagon.