Card Appearances:Battle Constant
- In episode 96, Dr. Eisenstein uses this card during his duel against Jaden Yuki. He uses this card to banish "Laplace the Fiend Mathematician", "Schrödinger's Cat", and "Draw Paradox" in order to Special Summon "Brain Dragon". The effect of "Laplace" then activates, inflicting 300 damage to Jaden for each card that was on the field when "Laplace" was banished. Since there were four cards on the field when "Laplace" was banished, Jaden takes 1200 damage.