Ultraman Taro: S1 E37 - Monster, Return To Your Homeland! Ultraman Taro

As ZAT is analyzing a monster that suddenly landed before them, a girl named Megumi appears. She claims the monster Hertz killed her grandfather and asks ZAT to defeat it. However, Megumi was actually Alien Medusa, and she was there to kill off Hertz in order to take their constellation!