Teenage Mutant Ninja Turtles (2003): Season 4, Episode 15

4 - 15: Scion of the Shredder

While Leonardo is in Japan studying with the Ancient One, Karai as the new Shredder makes her attack. Will Leo return to New York? Will he find out what happened to his home and his family? And, have Splinter and Turtles really been destroyed?