Yu - Gi - Oh ! ARC - V - Episode 028 " Something ' s Fishy " , known as " Ayu ' s Entertainment Aquarium " in the Japanese version , is the twenty - eight episode of the " Yu - Gi - Oh ! ARC - V " anime . It first aired in Japan on October 19 , 2014 and in Australia on December 5 , 2015 . It became available with official subtitles via Crunchyroll on November 22 , 2016 . Featured Duel : Allie vs . Riley Akaba . At the start of the Duel , the Field Spell Card " Sun Valley " is activate d , as per the rules of an Action Duel . It will allow the players to use Action Card s , but they may only have one in their hand at a time . Turn 1 : Allie Allie Normal Summon s " Aquaactress Guppy " ( 600 / 600 ) . She activates the Continuous Spell Card " Aquarium Stage " , preventing her WATER monsters from being destroyed by battle except by other WATER monsters . She then activates the Continuous Spell Card " Aquarium Set " , increasing the ATK of all " Aquaactress " monsters on the field by 600 ( " Guppy " 600 → 1200 ) . Allie finally activates the Continuous Spell Card " Aquarium Lighting " , doubling the ATK of all " Aquaactress " monsters until the end of the Battle Phase when they battle another monster . Allie calls for the attack of " Guppy " , but is unable to since the Battle Phase can ' t be conducted during the first turn . Allie Set s a card . Turn 2 : Riley Riley activates " Shutter Layer 1 " , targeting a monster Allie controls and Special Summon ing the former as a Normal Monster with the same name , Type , Attribute , Level , ATK , and DEF . She targets " Guppy " , Summoning " Layer 1 " as a copy of that card ( 600 / 600 ) . By the effect of " Aquarium Set " , it gains 600 ATK ( Riley ' s " Guppy " 600 → 1200 ) . Riley Set s a card . Turn 3 : Allie Allie Normal Summons " Aquaactress Tetra " ( " Tetra " 300 → 900 / 300 ) . She finds the Action Card " Sunshine Smile " . Allie ' s " Guppy " attacks Riley ' s , and she activates " Sunshine Smile " , increasing the ATK of her " Guppy " by 400 until the end of the Battle Phase ( Allie ' s " Guppy " 1200 → 1600 ) . During the Damage Step , " Aquarium Lighting " doubles the ATK of both " Guppy " ( Allie ' s " Guppy " 1600 → 3200 , Riley ' s " Guppy " 1200 → 2400 ) . Riley ' s " Guppy " and " Layer 1 " are destroyed ( Riley : 4000 → 3200 LP ) . " Tetra " attacks directly ( Riley : 3200 → 2300 LP ) . Turn 4 : Riley Riley activates the Continuous Spell Card " Shutter Layer 2 " , preventing Allie ' s cards from being affected by her own card effects ( Allie ' s " Guppy " 1200 → 600 , Allie ' s " Tetra " 900 → 300 ) . Riley activates another " Shutter Layer 1 " , once again targeting " Guppy " and Summoning itself as a copy of the targeted monster ( 600 / 600 ) . By the effect of " Aquarium Set " , it gains 600 ATK ( Riley ' s " Guppy " 600 → 1200 ) . Riley ' s " Guppy " attacks and destroys Allie ' s " Tetra " , with " Aquarium Lighting " doubling the former ' s ATK during the Damage Step ( Riley ' s " Guppy " 1200 → 2400 ; Allie : 4000 → 1900 LP ) . Turn 5 : Allie Allie Tributes " Guppy " to Tribute Summon " Aquaactress Arowana " ( 2000 / 2000 ) . Because the monster it was targeting left the field , " Layer 1 " is destroyed . " Arowana " attacks directly , but Riley activates her face - down " Instant Shutter " , Special Summoning it as a Normal Monster with the same name , Type , Attribute , Level , ATK , and DEF as " Arowana " ( 2000 / 2000 ) , but it will be destroyed at the end of the Battle Phase . By the effect of " Aquarium Set " , it gains 600 ATK ( Riley ' s " Arowana " 2000 → 2600 ) . Allie activates her face - down " Aqua Story - Urashima " , banish ing two " Aquaactress " monsters from her Graveyard to make the ATK of one of her opponent ' s monsters 100 and prevent its ATK from being changed by other card effects this turn . She banishes " Guppy " and " Tetra " and targets Riley ' s " Arowana " ( 2600 → 100 ) . " Arowana " attacks and destroys " Arowana " ( Riley : 2300 → 400 LP ) . Turn 6 : Riley Riley Normal Summons " C / C Critical Eye " ( 1400 / 1000 ) . She then activates the Continuous Spell Card " Montage Fusion " , allowing her to Fusion Summon a Fusion Monster in her Extra Deck as long as both she and her opponent control the required Fusion Material Monster s . Since Allie controls a WATER monster , she uses her " C / C Critical Eye " to Fusion Summon " C / C / C Water Sword of Battle " ( 2400 / 0 ) . " Water Sword " attacks and destroys " Arowana " , with its effect increasing its ATK by the ATK of all other WATER monsters on the field ( " Water Sword " 2400 → 4400 ; Allie : 1900 → 0 LP ) . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .