The Epic Tales of Captain Underpants - Full Series Information, Trailer & IMDb Reviews
Watch The Epic Tales of Captain Underpants Season 2 Episode 12 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
A final exam sends George and Harold to the Doom Dome, where they must battle Melvin -- who's been injected with powerful nanobots -- in order to pass.