Some TMNT stuff really isn't for little kids.
Memories of the Future is issue #1 of Eastman and Laird's Teenage Mutant Ninja Turtles volume 2, published in December 1993 by Mirage Studios. It is the first issue of the main series, outside of the Guest Era, originally published in full color.
Raphael dreams about battling a giant rat.
- One of the aliens was a blue Triceraton.