"Dueling Is Against School Rules!? Sally Forth! The Special Disciplinary Commander" is the seventy-seventh episode of the Yu-Gi-Oh! ZEXAL anime.
Yuma's been appointed Class Rep! While Yuma is quite eager and willing to do the job, Caswell, known by all as "Class Rep", has mixed feelings about this, The Student Council President appears before Caswell, appointing him as the "Special Disciplinary Commander". The Disciplinary Commander's job is to crack down on violations of school rules, which ends up angering a lot of students at the academy. In order to stop this ridiculous system, Yuma challenges the Student Council President to a Duel!
