Naruto Episode 109 English Dubbed Episode Title:An Invitation from the Sound.Episode Description:Sasuke continues his battle with the Sound Four, but eventually becomes too injured, including being weakened by using the Curse Mark. The Sound Four tell stories of how Sasuke can become stronger if he would lend his power to Orochimaru. Sasuke, tired of playing ninja games, finally gives in, and goes to them. Sakura tries to stop him, but fails as Sasuke vanishes before she can persuade him more and he knocks Sakura unconscious after saying "Thank You".