TITLE "The Treacherous Numbers!?" is the sixth episode of theYu-Gi-Oh! ZEXAL anime. It first aired in Japan on May 16, 2011.

DESCRIPTION:Tokunosuke steals Yuma's "Utopia", causing Astral to vanish. Tokunosuke had wanted the great power of Numbers, and Yuma tries to Summon "Leviath Dragon" to fight back, but Tokunosuke's Trap Card takes even that away. When Yuma is pushed into a corner with his field, an unexpected monster will become the Trump Card of the Duel.