Yu - Gi - Oh ! - Episode 004 " Into the Hornet ' s Nest " , known as " Insector Combo " in the Japanese version , is the fourth episode of the " Yu - Gi - Oh ! " second series anime . It first aired in Japan on May 9 , 2000 and in the United States on October 20 , 2001 . As the ferry to Duelist Kingdom arrives , Yugi ' s first opponent is Weevil , as revenge for destroying his Exodia cards . However , Weevil , a sneaky cheater , tricks Yugi into dueling in an arena where all his Insect cards get a power boost , pushing Yugi to his limit . When this episode first aired in the United States on " " , it was merged with the following episode , so the Duel took place in just one episode titled " The Ultimate Great Moth " . The two separate episodes were dubbed , but were only seen in other countries and on DVD and VHS until " 4Kids TV " aired episode 5 on November 25 , 2006 . Featured Duel : Yami Yugi vs . Weevil Underwood . Monsters compatible with Forest ( terrain ) or Desert receive a 30 % Field Power Bonus . This includes Beast , Beast - Warrior , Dinosaur , Insect , Plant , Rock and Zombie - Type monsters . Turn 1 : Weevil Weevil draws . He then Normal Summon s " Killer Needle " ( 1200 → 1560 / 1000 → 1300 ) in Attack Position . Turn 2 : Yami Yugi Yugi draws . He then Normal Summons " Mammoth Graveyard " ( 1200 → 1560 / 800 → 1040 ) in Attack Position . " Mammoth Graveyard " attack s " Killer Needle " , destroy ing both monsters in a Double KO . Turn 3 : Weevil Weevil draws . He then Normal Summons " Hercules Beetle " ( 1500 → 1950 / 2000 → 2600 ) in Attack Position . Turn 4 : Yami Yugi Yugi draws . He then Normal Summons " Feral Imp " ( 1300 / 1400 ) in Attack Position . Yugi then activate s " Horn of the Unicorn " , equipping it to " Feral Imp " and increasing its ATK and DEF by 700 ( " Feral Imp " : 1300 → 2000 / 1400 → 2100 ) . " Feral Imp " attacks " Hercules Beetle " . Because " Hercules Beetle " has a Field Power Bonus and it is battling a monster that has an Equip Card , the effects of " Horn of the Unicorn " are negated ( " Feral Imp " : 2000 → 1300 / 2100 → 1400 ) . " Hercules Beetle " destroys " Feral Imp " ( Yugi : 2000 → 1350 LP ) . Turn 5 : Weevil Weevil passes . Turn 6 : Yami Yugi Yugi draws . He then Set s a monster . Turn 7 : Weevil Weevil draws . He then Normal Summons " Basic Insect " ( 500 → 650 / 700 → 910 ) in Attack Position . Weevil then activates " Level 3 Laser Cannon " , equipping it to " Basic Insect " and increasing its ATK and DEF by 300 ( " Basic Insect " : 650 → 950 / 910 → 1210 ) . He then activates " Lev . 2 Power Boost " , equipping it to " Basic Insect " and increasing its ATK by 1200 and its DEF by 200 ( " Basic Insect " : 950 → 2150 / 1210 → 1410 ) . " Basic Insect " attacks and destroys Yugi ' s Set " Griffore " ( 1200 → 1560 / 1500 → 1950 ) . Turn 8 : Yami Yugi Yugi draws . He then Sets a monster . Turn 9 : Weevil Weevil draws . He then Sets a card . Turn 10 : Yami Yugi Yugi draws . He then Sets a card . Turn 11 : Weevil Weevil draws . He then Normal Summons " Gokibore " ( 1200 → 1560 / 1400 → 1820 ) in Attack Position . Turn 12 : Yami Yugi Yugi draws , then passes . Turn 13 : Weevil Weevil draws . He then Normal Summons " Big Insect " ( 1200 → 1560 / 1500 → 1950 ) in Attack Position . Turn 14 : Yami Yugi Yugi draws , then passes . Turn 15 : Weevil Weevil draws . He then Normal Summons " Kamakiriman " ( 1150 → 1495 / 1400 → 1820 ) in Attack Position . Turn 16 : Yami Yugi Yugi draws " Dark Magician " and subsequently Sets it . Turn 17 : Weevil Weevil draws . " Basic Insect " attacks Yugi ' s Set " Dark Magician " ( 2500 / 2100 ) . Yugi then activates his face - down " Mirror Force " to destroy every monster on Weevil ' s side of the field and inflict damage to him equal to the difference between the ATK of " Basic Insect " and the ATK of all other monsters destroyed by this effect ( Weevil : 2000 → 555 LP ) . Notes . The total damage Weevil should have been dealt equals 2035 . Yet the damage only amounted to 1445 , a surplus difference of 590 . One possibility is that the writers ignored the damage from either " Big Insect " or " Gokibore " , in order to allow the Duel to continue . Differences from the TCG . The Duels in this episode followed the earlier Duel Monsters rules , so 2000 Life Points were used as opposed to 8000 , Tribute s were not required for Level 5 or higher monsters and players could not attack each other directly . Differences in individual cards included : Featured cards . The following cards appeared in this episode . Cards in italics debuted here .