Ultraman USA is an animated tokusatsu science fiction series and a standalone entry in the Ultraman franchise. It follows three American stunt pilots who are transformed into the Ultraman Warriors and battle giant monsters threatening Earth. Produced as a co-production aimed at the U.S. market, it blends superhero action, kaiju battles, and 1980s anime-style animation. The series is also known as Ultraman: The Adventure Begins and is treated as a distinct special within the broader Ultraman continuity.