Ep. 8: Everything's Relative
Ipinalabas noong Hunyo 6, 2000
When Yuugi hears of a Duelist who has been kicked out of the tournament when his deck and star chips were stolen, he tracks down the thief who turns out to be none other than Mokuba Kaiba, the younger brother of Seto Kaiba, come to avenge his brother's loss. (Source: Yu-Gi-Oh! Wikia)