Template:March 21


 * 2001:
 * Episode 62 "The First Obstacle? Giant Whale Laboon Appears" premiered.
 * Episode 63 "A Man's Promise, Luffy and the Whale Vow to Meet Again" premiered.
 * 2004: Episode 186 "Capriccio to Destruction! The Impending Doom of Sky Island!!" premiered.
 * 2010: Episode 443 "The Strongest Team is Formed - Shake Impel Down to it's Core!" premiered.
 * 2021: Episode 966 "Roger's Wish! A New Journey" premiered.