ONE PIECE Episode 62: The First Line of Defense? The Giant Whale Laboon Appears!
Episode 62 of 1180 of ONE PIECE, aired March 21, 2001, 25 minutes. Available with English subtitles and dub where released.
Episode summary
The Straw Hat crew takes a wild ride up and down a mountain only to end up in the belly of a giant whale that's on the lookout for pirates!