OT Continuity errors?

[Stingray69]

Originally Posted by Coola Yagami

I kinda find the white belt, black heart one to be a bit of a continuity error in the sense that somehow Splinter took on a pupil and they had a falling out. I just hate how they have this new character and everyone is acting as if they already knew him and blah blah blah.

What pupil was in that episode?

And the thing I never got was in the one episode where krang cloned himself the clones turned into dinosaur things.