The Turtles and the Rangers must split up—but time is running out! With Shredder and Lord Zedd closing in on the Technodrome, Earth’s fate hangs in the balance! To stand a chance despite their splintered unity, the Turtles and Rangers split their forces across time and space to seek help from old friends and unexpected allies. And Leo and Tommy venture to the White Light Realm in search of the one thing that might save the day!