FUNimation and Adult Swim confirmed today that the shonen anime series One Piece will join the Toonami block. The announcement was first made during the Toonami panel at Momocon on March 10th. The series will premiere on the network late Saturday night on May 18th at 1:00am ET. It will begin with episode 207 ("Great Adventure At Long Ring Long Land!"). Soul Eater will then move to its new time slot of 1:30am ET.