Ep. 28: Friends investigate Pegasus's cheating methods while Yuugi contemplates defeating him with the Millennium Puzzle.
Aired on October 31, 2000

Before the tournament semi-finals, the finalists and their friends share a dinner where the matchups are revealed: Mai faces Yuugi, and Jonouchi takes on Keith Howard. After retiring for the night, Honda, Anzu, and Bakura attempt to uncover how Pegasus cheated during his match against Kaiba. Their investigation leads them to an underground chamber where Pegasus traps them, intending to claim their souls. Just as he is about to succeed, Yami Bakura unexpectedly returns and saves the group by blasting Pegasus with the power of his Millennium Ring. The following morning, Yuugi reflects on his grandfather's advice and considers how he might defeat Pegasus using the Millennium Puzzle.
Episodes
- Ep. 24 · Yuugi and Kuribou weaken Kaiba's Blue Eyes Ultimate Dragon in a high-stakes duel
- Ep. 25 · Yuugi's depression after losing star chips to Kaiba leads Anzu to duel Mai
- Ep. 26 · Yuugi Enters Pegasus Castle as Kaiba Faces the Creator in Duel Part One
- Ep. 27 · Pegasus uses Toon World card to transform Blue-Eyes White Dragon into Toon Dragon
- Ep. 28 · Friends investigate Pegasus's cheating methods while Yuugi contemplates defeating him with the Millennium Puzzle.
- Ep. 29 · Yuugi struggles with self-doubt and fear of his alter ego during his semi-final match against Mai.
- Ep. 30 · Yuugi allies with his alter ego to counter Mai's Harpie strategy and secure victory
- Ep. 31 · Keith's Machinations, Part 1
- Ep. 32 · Jonouchi upgrades Red-Eyes Black Dragon to defeat Keith's strongest monster