"The Master of Magicians, Part 1", known as "The Black Magician User - Pandora" in the Japanese version, is the sixtieth episode of the Yu-Gi-Oh! anime. It first aired in Japan on June 19, 2001, and in the United States on February 8, 2003.
Marik now knows where "Obelisk The Tormentor" is after Kaiba used it. He remembers how he stole the other two Egyptian God cards from a cave in Egypt and threatened Ishizu for the final one, also revealing in the flashback that he is her brother.
Yami Yugi is told to enter a circus tent by a harlequin whose "master" is wating inside.
Yugi enters a real life Mystic Box and disappears into an underground chamber, which blocks the transmission to the KaibaCorp building.
He meets Arkana, who also has a "Dark Magician" in his deck, but this one looks different to Yugi's. He challenges Yugi to a Duel.
Both Duelists have their ankles locked so they cannot escape. As they lose life points, a buzzsaw will approach them and slice off their legs if they lose (in the dub, the loser will be sent to the Shadow Realm via a Dark Energy Disc). A box holding a key will open for the winner.
In the dub, many cards in each Duelists' hands are changed to cards that are impossible for them to have.
After Summoning "Legion the Fiend Jester", when Arkana looks back into his hand The Winged Dragon of Ra can be seen behind "Dark Magician". Besides Arkana not having this card, it couldn't be in his hand if he did, as his opening hand was shown, and the first card he drew had to be the Fiend Jester.
Then, after Yugi activates "Card Destruction", "Obelisk the Tormentor" can be seen in Arkana's hand, despite not being in his hand moments earlier (and, of course, Kaiba possessing Obelisk)
Ironically, despite the fact that Mystic Tomato's card art was changed to the US version, the hologram was not changed to reflect this.
Mokuba:(to Koji Nagumo) If you want to stay in this tournament, you’re gonna have to do what I say! Koji Nagumo: Or what? (growls) Seto Kaiba:(from behind him) Or you’ll have to deal with me. Koji Nagumo:(turns around to see Seto Kaiba) What’d you say? (Kaiba takes one step over to him and stops, giving him a cool stare) Mokuba:(grins upon seeing Seto) Hey, bro! Koji Nagumo:(suddenly realizes who it is) Se — Seto Kaiba? Seto Kaiba: When you speak to my brother that way, you dishonor me and the Battle City tournament. And besides, I have very little patience for bullies.
The following cards appeared in this episode. Cards in italics debuted here.