Despite interference from the Turtles, Shredder, Bebop, and Rocksteady successfully install an energy transmitter inside the Power Relay Station and escape unharmed.
Back at the lair, the Turtles argue as to whose fault it might be that Shredder and company got away again. Splinter suggests that they spend less time trying to get Shredder and more time doing good things, which confuses the Turtles.
Meanwhile, over at the Hall of Science, Krang activates his new dimensional portal, thanks to Shredder's installation of the Energy Transmitter at the Power Relay Station, giving him access to Dimension X.
After Donatello's equipment registers a power surge emanating from the Hall of Science, they set out to investigate, only to find the place empty and the Dimensional Portal turned on. The Turtles figure that Krang Shredder, Bebop, and Rocksteady have journeyed to Dimension X, but they're not sure why.
Before they can think about it any more, they hear a voice crying for help. That voice be