Season 0-20 – Come Out! The Last and Strongest Game Master
“It’s Here!! The Strongest and Final Trump Card”
“Deta!! Saikyō Saigo no Kirifuda” (出た!! 最強最後の切り札)
Air Date: August 15, 1998
Kaiba’s butler Daimon, an old man kept alive through machinery, duels Yami Yugi as the final Game Master.
In the process, he reveals how Kaiba used to be, and implores Yugi to restore Kaiba’s kindness.