Search for Tomorrow (E23)

After the Ultra Guard rescues a fortune teller named Yasui, he explains that he is the target of alien invaders. The group manages to find base of the Shadow, who reveal their final weapon: the monster, Gublla. Gublla proves to be a tough opponent, but Dan is able to behead it with the Eye Slugger. The Shadows release Yasui, but he warns Ultraseven just in time as Gublla's head reanimates. (Prime Video)