Dial T for Turtle!
Status
Summary
One shot. Crossover is with TMNT 1987 universe. When attempting an experiment on four turtles, the experiment seems to be successful! Little does he know that he(thanks to Dee Dee) swapped four mutant turtles from another universe with his! Now, they fight together with Monkey to go against the Shredder and Krang from their universe as well!