Ultraman Ginga S
Episode 4
S1 E4:
With the power granted to him by Ultraman Taro, Ginga powers up into Ginga Strium. While glad to see Taro again, Hikaru begins to question his newfound strength, feeling the stress of his duty to protect Victorium. And then, a monster appears. Watching his allies fight desperately to help him, something in Sho's soul awakens!