Yu - Gi - Oh ! GX - Episode 113 " Win Mr . Stein ' s Duel , Part 1 " , known as " Judai VS The Treacherous Elemental Heroes " in the Japanese version , is the one hundred and thirteenth episode of the " Yu - Gi - Oh ! GX " anime . It first aired in Japan on December 6 , 2006 , and in the US on July 14 , 2007 . Summary . Mr . Stein is introduced , teaching a lesson in an empty classroom ( in the dub he is taking attendance in a parody of ' s role in ) . He states he is retiring and wishes to get revenge on his students . Meanwhile , all the students injured by the Survival Duels could not fit in the infirmary , and those that can ' t end up in sleeping bags on the floor of the gym . Jaden , angered by the recent events , goes to find Crowler and Boneparte , but only to discover Sheppard is away leaving them in charge . Neither have a clue what to do to stop Viper . Jaden explains that the Bio Bands have been draining energy from everyone , and Jesse adds there doesn ' t seem a way of removing them ( he adds the only option would be to cut his hand off ) . They decide to visit Adrian , who has just woken , hoping he may have more information . At Thelonious Viper ' s lab , Axel is trying to escape , after having previously been trapped in a hidden room beneath a trap door . Viper states that Axel ' s role is finished . At the Blue Dorm , Adrian speaks to Echo via telephone and later gathers Jaden , Jesse , Syrus , Hassleberry , Alexis and Jim , and points them in the direction of Viper ' s lab in the forest . Though he appears to be on their side , he uses them to serve as a distraction to ease his own infiltration of the lab . When Viper sees them coming , he simply opens the door for them , as he is luring them into a trap . He declares that the stage is nearly set for " its " revival , and looks at the lava lamp - like object , in which a single bloodshot eye opens . After searching the entirety of the building , Jaden ' s group come to an elevator that will take them to the basement . Jim ' s device reads high levels of electromagnetic waves coming from below , so they conclude Viper must be there . Jesse takes charge as leader , and reminds them Viper will probably have set traps so to be wary at all times . As they descend , they come across a vast jungle hidden beneath the building , an artificial environment that was left over from when the lab was abandoned by the scientists who altered Wheeler . The group splits up , with Jaden , Syrus and Jesse heading one direction and Jim , Hassleberry and Alexis another . They decide to return to the elevator if they find anything . Adrian , dressed in a black outfit complete with spy equipment , successfully infiltrates the lab and begins hacking a control panel . This shuts off the lights in the jungle area and shuts off all of Viper ' s monitors save for the one monitoring the jungle . In this way , Viper is focused on Jaden ' s group , and isn ' t even aware Adrian is in the building . Jim , Hassleberry and Alexis are attacked by a tiger . Jim tells the others to run , and sends Shirley to fight off the tiger . As she ' s running , Alexis falls through a trap door . Elsewhere in the jungle , Jaden , who has got separated from Syrus and Jesse in the pandemonium , meets up with Mr . Stein , who offers to lead him to Viper , stating he ' s familiar with the area . They arrive outside Viper ' s door , but it won ' t open . Stein states it will remain locked unless Jaden Duels him and wins . Stein reveals he , too , is wearing a Bio Band . Stein reveals that he blames Jaden for influencing other students to follow his example of sleeping in class and not studying , and that he thus ruined Stein ' s own life , as teaching was all the latter had left . The Duel begins , and Stein is able to take control of Jaden ' s monsters using the effect of his " Scab Scarknight " monster . In addition , effects that increase Life Points are negate d . Featured Duel : Jaden Yuki vs . Mr . Stein . Turn 1 : Stein Mr . Stein draws " Scab Scarknight " and subsequently Normal Summons it ( 0 / 0 ) in Attack Position . He then Set s a card . Turn 2 : Jaden Jaden draws " Neo - Spacian Air Hummingbird " . Jaden ' s hand contains " Chrysalis Larva " , " Elemental Hero Sparkman " , " Elemental Hero Avian " , " Elemental Hero Bubbleman " , and " Elemental Hero Burstinatrix " . Jaden then Normal Summons " Burstinatrix " ( 1200 / 800 ) in Attack Position . " Burstinatrix " attacks " Scab Scarknight " , but due to the latter ' s third effect , it is not destroyed ( Mr . Stein 4000 → 2800 ) . At the end of the Damage Step , the fourth effect of " Scab Scarknight " activates , placing a Scab Counter on " Burstinatrix " . At the end of the Battle Phase , the fifth effect of " Scab Scarknight " activates , switching control of " Burstinatrix " to Mr . Stein . Turn 3 : Stein Mr . Stein draws . He then Normal Summons " Demand Man " ( 800 / 0 ) in Attack Position . " Demand Man " and " Burstinatrix " attack directly ( Jaden 4000 → 3200 → 2000 ) . Mr . Stein then Sets a card . Turn 4 : Jaden Jaden draws " Negate Attack " . He then Normal Summons " Neo - Spacian Air Hummingbird " ( 800 / 600 ) in Defense Position . Jaden then activates the effect of " Neo - Spacian Air Hummingbird " to increase his Life Points by 500 for each card in Mr . Stein ' s hand , but the sixth effect of " Scab Scarknight " negates the effect of " Neo - Spacian Air Hummingbird " . Mr . Stein then activates the effect of " Demand Man " to switch " Air Hummingbird " to Attack Position . Mr . Stein then explains that due to the second effect of " Scab Scarknight " , any monster Jaden has in Attack Position must attack " Scab Scarknight " if possible . " Air Hummingbird " then attacks " Scab Scarknight " , but due to the latter ' s third effect , it is not destroyed ( Mr . Stein 2800 → 2000 ) . At the end of the Damage Step , the fourth effect of " Scab Scarknight " activates , placing a Scab Counter on " Air Hummingbird " . At the end of the Battle Phase , the fifth effect of " Scab Scarknight " activates , switching control of " Air Hummingbird " to Mr . Stein . Jaden then Sets a card . " Duel continues in the next episode . " Errors . In the dub , when Mr . Stein Summons his " Demand Man " , the Attribute shown on the card is WIND while in the original , " Demand Man " is a DARK Attribute monster . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .