Two Fights (ふたつの戦い) is the 121st episode of the Katekyō Hitman Reborn! anime series.
Yamamoto runs into the Millefiore Black Spell member Nosaru once again. Meanwhile, Tsuna, after a long battle, defeats the mysterious "Ultimate Cube." Yamamoto in his battle manages to push back his enemy, and Merone Base is moved once more.