Episode 422

"A Life-threatening Break-in! The Underwater Prison Impel Down!" is the 422th episode of the One Piece anime..

Statistics

 * Air Date: 2009-10-18 (Funimation DVD:)
 * Opening: Share the World! (11th Opening)
 * TV Ranking, Rating: 9.7 Rank: 6
 * Manga Chapters: 525 and 526 pages 3-6
 * FUNimation Title: A Deadly Infiltration! The Underwater Prison Impel Down!

Characters in Order of Appearance

 * Portgas D. Ace
 * Monkey D. Garp
 * Monkey D. Dragon (flashback)
 * Edward Newgate (flashback)
 * Monkey D. Luffy
 * Boa Hancock
 * Momonga
 * Mohji
 * Richie
 * Cabaji
 * Alvida
 * Minotaurus (shadowed)
 * Hannyabal
 * Domino