Ultraman Ace: S1 E10 - Duel! Ultraman Ace vs. Hideki Go Ultraman Ace

Terrible-Monster Zaigon arrives on Earth. Rumiko Murano and Jiro Sakata get caught up in this calamity, but are saved by Hideki Go, an old friend of theirs who was supposed to have returned to his homeland. Jiro is ecstatic with this unexpected reunion, but Hokuto finds this suspicious...