Episode 668

"The Final Round Starts - Diamante the Hero Shows Up" is the 668th episode of the One Piece anime.

Short Summary
The contenders of the final round, Burgess, Bartolomeo, Lucy, Rebecca, and Diamante make their way in the colosseum. The final round begins as Lucy tries to find the Fighting Fish with the Mera Mera no Mi. Meanwhile, Luffy, Zoro, Kin'emon, and Viola try to sneak into the Rampart Tower, in which Luffy merely breaks the front gates open and charges through many guards. After hearing the report that Straw Hat and his allies were in the tower, Doflamingo questions why Luffy is there when he should be in the colosseum.

Anime Notes

 * The anime adds the following scenes:
 * The order of the finalists entering the arena is shown. Following Sabo (as Lucy) is Bartolomeo, Jesus Burgess, and then Rebecca.
 * Diamante dancing as he entered the arena.
 * More scenes of the finals not shown in the manga:
 * After the match starts, Burgess makes the first move, attacking Lucy.
 * Lucy running on the outer circle of the ring, trying to find the Boss Class Fighting Fish holding the Mera Mera no Mi.
 * Bartolomeo using his barrier to defend himself against a Fighting Fish.
 * In the manga, Bartolomeo badmouthed the audience after entering the arena. In the anime, he does not say anything.
 * While not portrayed in the manga, the anime shows that the ordinary Fighting Fish fears the Boss Class Fighting Fish.
 * In the manga, Doflamingo's subordinate at Rampart Tower B-2 reported the intrusion of Luffy, Zoro and Violet, and a panel showed the three of them proceeding through the area. Kin'emon was later confirmed to have separated from the group. In the anime, the subordinate mentioned that there was "one more person", and Kin'emon was seen brandishing his sword.