Yu-Gi-Oh! R - Duel Round 001

It begins at the end of Battle City, where Marik is being defeated the Dark Magician and Dark Magician Girl (note: DImension Magic killed Ra in the manga instead of Ragnarok). A shadowed figure then is shown in a room full of computers and the like. He is holdng a card that has Pegasus's image on it. He calls Pegasus his master, then stating that everything is about to begin, and that Yugi will pay them back. This is later revealed to be Yakou Tenma.

At Kaiba Corporation, the Computer system is being hacked, while screen's flash "danger" all around. One officer tells another officer to inform Kaiba immediately, but the communication access line's are off. More then 70%of the computer has been taken by the hacker (Yakou Tenma). Therefore, Isona tells the officers to cut power supply and halt the system. ANother officer reminds Isona that this will effect the duel system worldwide from the disorder. Unfortunately, there is no other way out, so the power is cut. Isona andthe officers are shocked then, when even that fails.