Ot/ modern toon crossover

[Mutant Ninja Anole]

I'm going to talk completely out of my rear and say that there's probably a lot of legal/executive reasons for 2k3 not being in here. Does 4kids still get money from sales of 2k3 tv shows?

That said, you do run the risk of overrunning the episode with characters. You already have 8 turtles, we've already hit the Rule of 7 and risk losing the audience by adding more. Perhaps we'll get a shout out, like the multiverse of turtles scene in Turtles Forever.