"The Drip, Part 1"
By Matthew K. Manning and Chad Thomas.
"Instru-Mental"
By Caleb Goellner and Buster Moody.
*Donatello accidentally creates a new water-based mutant in his lab. The aquatic ally seems peaceful enough… until the Drip realizes there’s a lot more water in the world than Don lets on! *Source: idwpublishing.com