Walt, envious of the attention his brother gets from the Turtles, steals a rare pouch containing the only physical map to the Turtles' secret lair.
Walt's plan backfires when he attempts to sell the map to Shredder and Krang. Shredder doesn't just want the lair—he also uses the opportunity to steal a document that reveals the truth about Oroku Saki's past with Hamato Yoshi. [S3E40] The Missing Map
The plot centers on , the "Fifth Turtle," and his older brother Walt . Walt, envious of the attention his brother gets
A Season 3 episode where Map is accidentally taken away in a package during a game of hide-and-seek. the "Fifth Turtle