The Venture Bros is one of the most well written shows on TV. THE BEST show on Adult Swim, this long running cartoon exists in the same universe as Johnny Quest. Establishing one of the most intelligent and intricate alternate universes on television, the show focuses on stories of the Venture family's failures. Anchored by voice acting legend Patrick Warburton's as bodyguard Brock, the Venture Bros takes you on an amazingly humorous adventure every episode.
This show is amazing - it's a darkly humorous adult take on the Johnny Quest-esque mystery shows (Johnny Quest himself as well as the Scooby Doo gang have even been known to pop up). I highly recommend it for fans of Archer, It's Always Sunny, and Adventure Time.