Teenage Mutant Ninja Turtles (2003): Season 5, Episode 10

5 - 10: Past Present

Shredder begins to build a new dynasty in New York, transforming the whole island into a hellish nightmare. The Turtles team up with Karai in a daring plan to direct Shredder's energy against him from mystical "Keystones" around Manhattan… but will it be enough?