Board Thread:General Discussion/@comment-1255374-20160326211319/@comment-26062541-20160429212244

High betting on parallel universes, most likely created when the space turtles met the past turtles, which surprisingly didn't destroy space and time but caused a subtle fissure.

Discounting that though...there's theory three which is...really cruel. The one being that the image of Earth being destroyed, the image of Splinter dying...was all put in the heads of the Space group by Renet and Lord Simulataneous so they would save the world.