Go With the Flow, Part 1 Yu-Gi-Oh! Zexal : Season 1 Episode 1

In Heartland, Yuma Tsukumo aspires to be the world's best Duelist. Despite this, he is not a good Duelist. When he ends up Dueling, Shark, a student known to have pro-level skills, odd things begin to happen and Yuma's story begins.