Tra-la-laaa! It's time once again for more of The Epic Tales of Captain Underpants! Our exclusive reveal of the new Season 3 trailer for DreamWorks' Netflix series invites viewers to join George and Harold in the most epic summer camp ever. The only problem is that Mr. Krupp is up to his old tricks and is trying to keep the two best friends separated all summer. But with a snap of their fingers, the dynamic duo will call upon the heroic Captain Underpants to help save the day ... and their summer! All 13 episodes of The Epic …