Ultraman Ace: S1 E36 - A Terrible-Monster Registering 10,000 Phons? Ultraman Ace
TAC has a tough time against Terrible-Monster Soundgiller, who appears and disappears instantaneously. Hokuto finds that the terrible-monster's appearance pattern is seemingly linked to a local motorcycle gang. Hokuto tries to get close with the gang in order to solve the mystery.