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"The Dueling Monkey", known as "Friendship Power! Barbarian #1 & #2" in the Japanese version, is the eleventh episode of the Yu-Gi-Oh! anime. It first aired in Japan on June 27, 2000 and in the United States on December 15, 2001.

Since Joey defeated her, Mai finds she no longer enjoys Dueling as much as she used to and vows to get revenge. When Rex Raptor challenges her, she says she will take him on, but only if he beats Joey first. Does Joey have what it takes to win his second Duel, especially since Mai has told Yugi not to coach him from the sidelines?

In this episode, Greg Abbey replaces Sam Riegel as the voice of Tristan Taylor.

Featured Duels

Mai Valentine vs. Unknown Opponent

Duel already in progress. Mai controls "Harpie Lady Sisters" (1950/2100) while her opponent controls an unknown monster and has 650 LP remaining.

Mai's turn
"Harpie Lady Sisters" attacks and destroys the opponent's monster (Mai's opponent: 650 → 0 LP).

Joey Wheeler vs. Rex Raptor

Monsters compatible with Desert, Mountain or Meadow will receive a 30% Field Power Bonus. This includes Beast-Warrior, Dinosaur, Dragon, Rock, Thunder, Warrior, Winged Beast and Zombie-Type monsters.

Turn 1: Joey
Joey's hand contains "Baby Dragon", "Time Wizard", "Leogun", "Axe Raider", and "Kuriboh". Joey Normal Summons "Baby Dragon" (1200/700) in Defense Position.

Turn 2: Rex
Rex Normal Summons "Two-Headed King Rex" (1600 → 2080/1200 → 1560) in Attack Position. "Two-Headed King Rex" attacks and destroys "Baby Dragon".

Turn 3: Joey
Joey draws. Joey Normal Summons "Leogun" (1750/1550) in Attack Position. Having not noticed "Two-Headed King Rex" had gained 480 ATK from the Field Power Bonus, Joey uses "Leogun" to attack "Two-Headed King Rex". "Two-Headed King Rex" destroys "Leogun" (Joey: 2000 → 1670 LP).

Turn 4: Rex
Rex passes.

Turn 5: Joey
Joey Normal Summons "Axe Raider" (1700 → 2210/1150 → 1495) in Attack Position. "Axe Raider" attacks and destroys "Two-Headed King Rex" (Rex: 2000 → 1870 LP).

Turn 6: Rex
Rex draws. He then Normal Summons "Sword Arm of Dragon" (1750 → 2275/2030 → 2639) in Attack Position. "Sword Arm of Dragon" attacks and destroys "Axe Raider" (Joey: 1670 → 1605 LP).

Turn 7: Joey
Joey draws. He then Sets a monster and Sets "Time Wizard" in the Magic & Trap Card Zone.

Turn 8: Rex
Rex Normal Summons "Megazowler" (1800 → 2340/2000 → 2600) in Attack Position. "Megazowler" attacks and destroys Joey's Set "Rock Ogre Grotto 1" (800 → 1040/1200 → 1560).

Turn 9: Joey
Joey draws. He then Normal Summons "Flame Swordsman" (1800 → 2340/1600 → 2080) in Attack Position.

Turn 10: Rex
Rex draws. "Megazowler" attacks "Flame Swordsman". "Megazowler" then loses its Field Power Bonus ("Megazowler": 2340 → 1800/2600 → 2000) as it is a Dinosaur-Type monster battling a FIRE monster. "Flame Swordsman" destroys "Megazowler" (Rex: 1870 → 1330 LP). Rex switches "Sword Arm of Dragon" to Defense Position.

Turn 11: Joey
Joey draws. "Flame Swordsman" attacks "Sword Arm of Dragon". "Sword Arm of Dragon" loses its Field Power Bonus ("Sword Arm of Dragon": 2275 → 1750/2639 → 2030). "Flame Swordsman" then destroys "Sword Arm of Dragon".

Turn 12: Rex
Rex draws. He then Sets a monster.

Turn 13: Joey
Joey draws. "Flame Swordsman" attacks and destroys Rex's Set "Crawling Dragon #2" (1600 → 2080/1200 → 1560).

Turn 14: Rex
Rex draws. He then Sets a monster.

Turn 15: Joey
Joey draws. "Flame Swordsman" attacks and destroys Rex's Set "Uraby" (1500 → 1950/800 → 1040). Joey Normal Summons "Swamp Battleguard" (1800 → 2340/1500 → 1950) in Attack Position.

Turn 16: Rex
Rex draws "Serpent Night Dragon" and subsequently Normal Summons it (2350/2400) in Attack Position. "Serpent Night Dragon" attacks and destroys "Flame Swordsman" (Joey: 1605 → 1595 LP).

Turn 17: Joey
Joey draws "Lava Battleguard" and subsequently Normal Summons it (1550 → 2015/1800 → 2340) in Attack Position. "Lava Battleguard" and "Swamp Battleguard" each gain 500 ATK for each of the other on Joey's side of the field due to their effects ("Swamp Battleguard": 2340 → 2840/1500 → 1950; "Lava Battleguard": 2015 → 2515/1800 → 2340).

Turn 18: Rex
Rex draws. Having not noticed that "Swamp Battleguard" and "Lava Battleguard" gained 500 ATK due to each other's presence, Rex uses "Serpent Night Dragon" to attack "Swamp Battleguard", but "Swamp Battleguard" destroys "Serpent Night Dragon" (Rex: 1330 → 840 LP).

Duel continues in the next episode.

Differences in adaptations

  • A graphic showing how many Star Chips Yugi and Joey have is removed from the dub.
  • Cut from the dub: Mai taunts Yugi and his friends that the way they stick together are like ducks in a past life.
  • Cut from the dub: a mother duck being followed by her ducklings behind Yugi and friends.
  • In the original, "Flame Swordsman" has a yellow background, in the dub it has a purple background.

Featured cards

The following cards appeared in this episode. Cards in italics debuted here.

Mai Valentine

Unknown Duelist
  • Unknown Monster

Joey's thoughts


  1. This card was played as a Normal Monster. It is a Fusion Monster in the TCG/OCG.
  2. This card was seen in Joey's hand only in the Dub.
  3. This card was seen in Joey's hand.
  4. 4.0 4.1 This card belongs to Tristan, but Joey borrows it.
  5. 5.0 5.1 5.2 This card was played as a Magic Card. It is an Effect Monster in the TCG/OCG.