. . . . . "The second version of the fourth season debuted on April 23, 2015. This second version is the canon season of Season 4. The season also has the first and second TV Movies in the form of The Tomorrow World and End Of Days."@en . . . "The second version of the fourth season debuted on April 23, 2015. This second version is the canon season of Season 4. The season also has the first and second TV Movies in the form of The Tomorrow World and End Of Days."@en . . . . . "SpongeToons (Season 4)"@en . .