For sheer epicness, I'd say the Avatar: The Last Airbender theme takes the crown. It's unique because it narrates the backstory and sets the mystical tone of the show perfectly. Also, gotta give a shoutout to the Hey Arnold! jazzy vibes, fits the urban setting so well.

Dude, this is driving me crazy now, too. I feel like I can almost see the intro to this show in my head. Wasn't there like wacky colors and a theme song that was kind of catchy? I used to watch Kids WB all the time and now I’m gonna …