Yu - Gi - Oh ! ZEXAL - Episode 021 " Battle with the Bot " , known as " Yuma vs . Cleaning Robot Obomi " in the Japanese version , is the twenty - first episode of the " Yu - Gi - Oh ! ZEXAL " anime . It first aired in Japan on August 29 , 2011 and in the United States on April 28 , 2012 . Featured Duels . Yuma Tsukumo vs . Lillybot ( first ) . Duel is shown from an unspecified turn . Yuma control s no cards and has 2500 LP , while Lillybot controls " Junk Robot Teapot Kangaroo " ( 3 / 800 / 1200 ) and " Junk Robot Camelcycle " ( 4 / 800 / 1600 ) , both in Attack Position , and a Set card . Lillybot ' s turn Yuma ' s LP are damage d through unknown means ( Yuma : 2500 → 1900 LP ) . Lillybot activate s her face - down " Star Light , Star Bright " to target both " Teapot Kangaroo " and " Camelcycle " and change the Level of " Teapot Kangaroo " to that of " Camelcycle " ( as they have the same ATK ) ( " Teapot Kangaroo " : 3 → 4 ) . Lillybot overlays " Teapot Kangaroo " and " Camelcycle " in order to Xyz Summon " Wind - Up Zenmaister " ( 4 / 1900 / 1500 , ORU : 2 ) in Attack Position . " Zenmaister " attack s directly ( Yuma : 1900 → 0 LP ) . Yuma Tsukumo and Bronk Stone vs . Lillybot . Duel is shown from an unspecified turn . Yuma and Bronk control no cards , while Lillybot controls a Set card . Yuma ' s and Bronk ' s LP are damage d through unknown means ( Yuma : 0 LP , Bronk : 0 LP ) . Yuma Tsukumo vs . Lillybot ( second ) . Turn 1 : Yuma Yuma draws . He then Normal Summon s " Gagaga Magician " ( 4 / 1500 / 1000 ) in Attack Position and Set s a card . Turn 2 : Lillybot Lillybot draws . She then activate s " Eco Spell - Reduce Waste " to banish " Junk Robot Cleanaga " and " Junk Robot Computerkong " from her Deck and add " Junk Robot Camelcycle " from her Deck to her hand ( as the banished monsters are " Junk Robot " and the added monster is also a " Junk Robot " . Lillybot Normal Summons " Camelcycle " ( 4 / 800 / 1600 ) in Attack Position . She then activates " Eco Spell - Recycle " to Special Summon " Cleanaga " ( 4 / 1200 / 800 ) and " Computerkong " ( 4 / 1000 / 1000 ) in Attack Position ( as the Special Summoned monsters are " Junk Robots " ) . Lillybot overlays " Camelcycle " , " Cleanaga " and " Computerkong " in order to Xyz Summon " Recycle Rhinobot " ( 4 / 2700 / 2000 , ORU : 3 ) in Attack Position . " Recycle Rhinobot " attack s " Gagaga Magician " , but Yuma activates his face - down " Half Unbreak " to target " Gagaga Magician " and prevent it from being destroyed by battle as well as halve the Battle Damage he takes ( Yuma : 4000 → 3400 LP ) . Turn 3 : Yuma Yuma draws " Gagaga Girl " and subsequently Normal Summons it ( 3 / 1000 / 800 ) in Attack Position . He then activates " Wonder Wand " , equipping it to " Gagaga Girl " and increasing its ATK by 500 ( " Gagaga Girl " : 1000 → 1500 ATK ) . Yuma then activates the effect of " Gagaga Magician " , changing its Level to 8 ( " Gagaga Magician " : 4 → 8 ) . He then activates " Gagaga Thunder " to target " Gagaga Magician " and " Gagaga Girl " and inflict damage to Lillybot equal to the difference in Levels between the targeted monsters times 300 ( Lillybot : 4000 → 2500 LP ) . Yuma Sets a card . Turn 4 : Lillybot Lillybot draws . She then Normal Summons " Junk Robot Teapot Kangaroo " ( 3 / 800 / 1200 ) in Attack Position . Lillybot activates the effect of " Recycle Rhinobot " three times , detach ing all of its Overlay Units ( " Recycle Rhinobot " : 3 → 0 ORU ) in order to target " Teapot Kangaroo " and increase its ATK by 500 for each one detached ( " Teapot Kangaroo " : 800 → 1300 → 1800 → 2300 ATK ) . " Recycle Rhinobot " attacks " Gagaga Girl " , but Yuma activates his face - down " Gagagaguard " ( as he controls two or more " Gagaga " monsters ) to prevent " Gagaga " monsters from being destroyed by battle this turn ( Yuma : 3400 → 2200 LP ) . " Teapot Kangaroo " attacks " Gagaga Magician " , but the latter isn ' t destroyed ( Yuma : 2200 → 1400 LP ) . On Lillybot ' s End Phase , the final effect of " Recycle Rhinobot " activates ( as it has no Overlay Units ) , destroy ing " Teapot Kangaroo " ( as it had the lowest ATK of all monsters Lillybot had on her field ) and inflicting damage to both players equal to its original ATK ( Lillybot : 2500 → 1700 LP , Yuma : 1400 → 600 LP ) . Turn 5 : Yuma Yuma draws " Star Light , Star Bright " and subsequently activates it to target " Gagaga Magician " and " Gagaga Girl " and change the Level of " Gagaga Girl " to that of " Gagaga Magician " ( as they have the same ATK ) ( " Gagaga Girl " : 3 → 4 ) . He then overlays " Gagaga Magician " and " Gagaga Girl " in order to Xyz Summon " " ( 4 / 2500 / 2000 , ORU : 2 ) in Attack Position . As " Gagaga Girl " was used in an Xyz Summon with another " Gagaga " monster , Yuma activates the effect of " Gagaga Girl " to reduce the ATK of " Recycle Rhinobot " to 0 ( " Recycle Rhinobot " : 2700 → 0 LP ) . " Utopia " attacks and destroys " Recycle Rhinobot " ( Lillybot : 1700 → 0 LP ) . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .