"Case Closed (B)" (一件落着 （Ｂ） ) is a instrumental musical composition from the Japanese Yu-Gi-Oh! 5D's.
It is 2:08 long and has been released on Yu-Gi-Oh! 5D's Sound Duel Vol II.
"Case Closed (B)" was played in the following episodes:
- Yu-Gi-Oh! 5D's episode 59: "Shadows of Doubt, Part 2"