Ultraman: S1 E17 - Passport To Infinity
Widely known explorer brought back two meteorites from the Baron Desert. It was an organism that caused fourth-dimensional phenomenon in response to various stimuli. The two meteorites were kept in pairs, which caused the nuclear fusion and transformed into a huge Fourth-Dimensional Monster Bullton. Ultraman fought against it, but he was at the mercy of four-dimensional phenomena Bullton creates one after another!