When Gorilla Grodd (voiced by David Sobolov) attacks Central City, Barry (Grant Gustin) and Team Flash find themselves teaming up with an unexpected ally to defeat – King Shark (voiced by David Hayter). However, when they hit a snag, they bring in Dr. Tanya Lamden (guest star Zibby Allen) to try to reach the man behind the shark, Shay Lamden (guest star Dan Payne).