Yu - Gi - Oh ! GX - Episode 115 " Trapper Keeper , Part 1 " , known as " Spirit Hunter Giese " in the Japanese version , is the one hundred and fifteenth episode of the " Yu - Gi - Oh ! GX " anime . It first aired in Japan on December 20 , 2006 , and in the US on July 28 , 2007 . Summary . Vice - Chancellor Bonaparte has finally managed to get into contact with Chancellor Sheppard , who went away on a business trip . He is ordered to stop the Survival Duels immediately and do whatever it takes to protect the students . Bonaparte arranges for all of the injured and exhausted students to be moved to the Obelisk Blue dorm , as the infirmary is too crowded . Jaden has collapsed after defeating Mr . Stein . Jesse and Syrus finally locate him , and manage to revive him . Whilst Syrus runs off for help , only succeeding in getting himself in trouble , Jesse shares a story with Jaden from before he acquired the " Crystal Beast s " . He had found a young boy after he was mugged , following the spirit of a " Jerry Beans Man " card . Jesse ends up in a Duel with a Spirit Hunter named Trapper , who manages to capture the spirit of " Crystal Beast Sapphire Pegasus " . During the Duel , Trapper explains that he invented capsules that are capable of imprisoning spirits . He goes on to say that a spirit that ' s isolated from it ' s card needs energy from the Spirit World to survive . Within his capsules , the spirits have access to neither of those things , so he can effectively use the capsules to " kill " spirits . Trapper also reveals himself to be the person who mugged the boy and stole the " Jerry Beans Man " card . Trapper explains that he wants the Crystal Beasts so that he can obtain " Rainbow Dragon " , which he wants to sell for profit . He claims the Rainbow Dragon tablet is in - between worlds . He assumes Jesse has the Crystal Beasts for the same reason , with Jesse denying it , saying that he ' s tied to his cards by a special bond . Featured Duel : Jesse Anderson vs . Trapper . Turn 1 : Trapper Trapper draws " Lure Phantom " and subsequently Normal Summons it ( 0 / 0 ) in Defense Position . He then Set s three cards . Turn 2 : Jesse Jesse draws . He then Normal Summons " Crystal Beast Amethyst Cat " ( 1200 / 400 ) in Attack Position . " Amethyst Cat " attacks directly via its own effect at the cost of halving the Battle Damage Trapper takes , but Trapper activates the effect of " Lure Phantom " to return both it and " Amethyst Cat " to the hand s of their respective owner s . Trapper then activates his face - down " Hunting Net " to place " Amethyst Cat " in his Spell & Trap Card Zone and place a Prey Counter on it . Jesse then Sets two cards . Turn 3 : Trapper Trapper draws . He then Normal Summons " Lure Phantom " ( 0 / 0 ) in Defense Position . He then activates " Dark Auction " to return " Amethyst Cat " to Jesse ' s hand by inflicting damage to Jesse equal to the ATK of " Amethyst Cat " ( Jesse 4000 → 2800 ) . Trapper then activates his face - down " Hunting Net " to place " Amethyst Cat " in his Spell & Trap Card Zone and place a Prey Counter on it . Trapper then Sets a card . Turn 4 : Jesse Jesse draws " Crystal Beast Amber Mammoth " and subsequently Normal Summons it ( 1700 / 1600 ) in Attack Position . " Amber Mammoth " then attacks " Lure Phantom " , but Trapper activates his face - down " Capture Snare " to negate the attack , place " Amber Mammoth " in his Spell & Trap Card Zone , and place a Prey Counter on it . Turn 5 : Trapper Trapper draws . He then Tribute s " Lure Phantom " to Summon " Infernal Blasthound " ( 1000 / 500 ) in Attack Position . " Infernal Blasthound " then attacks directly , but Jesse activates his face - down " G Force " to Special Summon " Crystal Beast Cobalt Eagle " ( 1400 / 800 ) in Attack Position and make it the new attack target of " Infernal Blasthound " . However , Trapper activates his face - down " Trap Jammer " to negate and destroy " G Force " . The direct attack continues ( Jesse 2800 → 1800 ) . Since " Infernal Blasthound " inflicted Battle Damage , its first effect activates , destroying " Cobalt Eagle " from Jesse ' s hand . The last effect of " Cobalt Eagle " then activates , allowing Jesse to place " Cobalt Eagle " in his Spell & Trap Card Zone as a Continuous Spell Card . Jesse ' s hand contains " Crystal Beast Emerald Turtle " and " Rare Value " . " Duel continues in the next episode " . Featured cards . The following card appeared in this episode . Cards in italics debuted here .