Board Thread:General Discussion/@comment-1255374-20170325030030/@comment-31487262-20170329150238

My guess to Lone Rat & Cubs: The turtles find a mysterious portal, Donatello warns the other turtles that could be dangerous. But Raphael is not afraid and jumps into the portal. The others are jumping, of course, but when they get out of the portal they see themselves in childhood with Splinter.....