In the End, Part 2 Yu-Gi-Oh! Zexal : Season 1 Episode 4

Yuma challenges Professor Kitano, who is behind it all. Professor Kitano notes that each time he reduces his opponent's Life Points with "Electronic Computer-Beast Tera Byte" Astral's body weakens, causing him to slowly vanish! To make things worse, the Explosive Virus Time Bomb Ukyo has set is slowly reaching its countdown.