I thought you guys might enjoy this. The other day, I was watching a marathon of Regular Show on Cartoon Network last Saturday and this episode came on called " But I Have a Receipt ". In the episode, Mordecai and Rigby DM a tabletop RPG for game night, called The Realm of Darthon. This reminds me of the box art to HeroQuest. Regular Show wiki . The episode is a homage to D&D and other tabletop RPGs and pokes fun at all of the stereotypes. For example, at one point during the game, the DM's guide says for one of the characters to roll a d50, but the game only came with a d48 and apparently, two marbles. During the same scene, Rigby is shown using one of those mechanical calculators, the ones with the spool of paper, in order to figure out whether or not one of the characters scored a hit. Eventually, Mordecai and Rigby realize that the game sucks and try to return it for a refund, but the store owner refuses because the game has already been opened. He also claims tha...