Board Thread:General Discussion/@comment-24489167-20150328154801/@comment-4682609-20150428025204

DPfanboy wrote:

Vgiannell5 wrote:

DPfanboy wrote: Well it's been confirmed! Shredder wants to use the serum to control Karai and get back on his side! The turtles better rescue her soon! Assuming he hasn't used it on her already.

He didn't finish it yet, remember? Maybe he has between episodes.