"Doubt" (疑念) is an instrumental musical composition from the Japanese version of Yu-Gi-Oh! ZEXAL.
It is 1:23 long and has been released on Yu-Gi-Oh! ZEXAL Sound Duel 1.
"Doubt" was played in the following episodes:
- Yu-Gi-Oh! ZEXAL episode 5: "Flipping Out, Part 1"