- In episode 3, Mr. Kay uses this card during his Duel against Yuma Tsukumo. He Normal Summons this card in Attack Position. After Mr. Kay Special Summons "Crashbug Z" via "Crashbug Road", Mr. Kay overlays this card, "Crashbug X" and "Crashbug Z" in order to Xyz Summon "Number 34: Terror-Byte". Mr. Kay then detaches this card in order to activate the effect of "Terror-Byte". In the next episode, Mr. Kay uses the presence of this card, "Crashbug X" and "Crashbug Z" in his Graveyard in order to activate "Bug Switch".
- In the first above-mentioned episode, Caswell Francis uses this card during his Duel against Yuma. Aside from being on the field, this card played no part in the Duel.
- In episode 25, has when he notes that the tower under construction is where the third "Number" appeared.
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