In episode 31, Vellian Crowler uses this card during his duel against Camula. After Crowler summons this card, it gains 300 ATK due to the effect of "Ancient Gear Castle". This card then attacks and destroys "Zombie Werewolf". This activates the latter's effect, allowing Crowler to summon another "Zombie Werewolf" with 500 more ATK. Later "Zombie Werewolf" (whose ATK was 1900 due to its own effect and the effect of "Vampire Bat") attacks and destroys this card. "Vampire Bat" then attacks directly. Crowler then activates "Damage Condenser" to Special summon a second copy of this card. The new copy then gains 300 more ATK due to the effect of "Ancient Gear Castle". Later Crowler Tributes this card in order to Tribute Summon "Ancient Gear Beast".
In episode 69, Crowler uses this card during his duel against Jean-Louis Bonaparte. After he summons this card, this card gains 300 ATK due to the effect of "Ancient Gear Castle". Crowler then equips this card with "Ancient Gear Tank", increasing its ATK by 600. This card then attacks and destroys one of Bonaparte's "Toy Soldiers" (Bonaparte couldn't activate "Negate Attack" in response due to this card's effect). Later "Toy Emperor" attacks and destroys this card. The second effect of "Ancient Gear Tank" then activates, inflicting 600 damage to Bonaparte. Bonaparte then activates the effect of "Toy Emperor" to add a Trap Card from his Deck to his hand.
In episode 92, Crowler uses this card during his Triangle Duel against Bonaparte and Maximillion Pegasus. He summons this card on the second turn of the duel. On Crowler’s next turn, he summons another copy. Crowler then activates "Ancient Gear Explosive" to target one copy and inflict damage to Pegasus equal to half of the targeted copy’s ATK. Crowler then uses the two copies to attack and destroy two of Bonaparte's "Toy Soldiers" as payback for Bonaparte attacking him directly with a "Toy Soldier". Later Pegasus activates "Shadow Toon" to target a copy and inflict damage to Bonaparte equal to the targeted copy's ATK. On Crowler’s next turn, he Tributes both copies in order to Tribute Summon "Ancient Gear Golem".
In episode 86, this card is shown in a flashback Barbara has when she explains to Yusei the backstory of Dyne and how Malcolm and Radley eventually decided to start Duels in order to get more miners for their mining operation.