Episode 101

"Heat Haze Duel! Ace vs Scorpion Man" is the 101st episode of One Piece.

Summary
Ace is hunted by a bounty hunter named Scorpion and finds out that Blackbeard isn't in Alabasta after all. He leaves the group to continue looking for him, leaving Luffy a mysterious piece of paper, explaining that it "will help them meet again" at the pirate summit.