Episode Title:TCRI.Episode Description:While breaking into the hostile environment of TCRI headquarters upon being told of its location by Leatherhead, the Turtles discover the true intent of the Kraang: to open a portal to Dimension X and begin an all-out invasion. The Turtles resolve to stop them – even if they end up having to fight the rock monster Traag. During the fight, Michelangelo finds a Kraang Data Storage Device. Donatello de-codes the device and discovers that the Kraang are after April.