Ah, Super Mario Bros. 3. What more can be said about Nintendo R&D4's grand finale for the 8-bit era? Well, we managed to fill 90 minutes discussing this timeless game, so the answer is "a whole lot." On this episode of Retronauts, join Bob Mackey, Jeremy Parish, Ray Barnholt, and Henry Gilbert as the crew takes a closer look at one of Nintendo's greatest creations, and find it's still worth beaming about.