What is what episode is marineford?

Marineford is the title of the 457th episode of the popular anime series, One Piece. It is also known as the "Marineford War Arc" or simply "The War." The episode focuses on the intense battle that takes place at Marineford, the headquarters of the Marines, as they try to execute Portgas D. Ace, the adopted brother of the main character, Monkey D. Luffy.

The episode is known for its high-stakes action, emotional moments, and shocking plot twists. It is considered one of the most memorable and pivotal storylines in the One Piece series, showcasing the strength and determination of Luffy and the Straw Hat Pirates as they fight against powerful enemies and risk their lives to save their friend.

Overall, the Marineford arc is a fan-favorite storyline in the One Piece series, and the 457th episode captures the intensity and emotion of the epic battle at Marineford.