"Rocket Jaw Rescuer of the Reef", sometimes styled as "Rocket Jaw: Rescuer of the Reef", is the eighteenth episode of the second season of Wild Kratts, originally airing on PBS Kids on December 27, 2013. Overall, it is the 58th episode of the series. The episode was written and directed by Chris Kratt.
In this episode, the Wild Kratts are doing a checkup on a part of a reef in the Caribbean Sea to make sure it is stable and healthy, when they notice robotic parrotfish picking off pieces of coral. The fish originated from inventor Zach Varmitech and fashion designer Donita Donata, who are collecting coral to make coral-themed jewelry.
The episode begins with a live action segment. The Kratt brothers dive down into the water and into a coral reef, where they find a frogfish. Afterwards, they ask their "What if?" question and the show transitions into the cartoon segment.
Aviva, Koki, and the Kratt brothers dive down into the Caribbean Sea and into a coral reef to witness polypus displaying their colors while also checking on the condition of the reef. While talking about the polyps and the role in the coral reef, they see parrotfish picking at some coral to eat algae. However, while they are not looking, a parrotfish controlled by Zach Varmitech takes a piece of coral and swims to his submarine. Accompanying Zach is Donita Donata, who is planning to use the coral for jewelry. Zach hopes to sell the jewelry so he can get rich.
While finishing up the reef checkup, Koki notices something moving among the coral, which the Kratt brothers say is a frogfish. They then see the frogfish instantly suck a fish into its mouth, leading Martin to name it Rocket Jaw. The Wild Kratts are impressed, and Aviva decides to make a Frogfish Creature Power Disc. The Kratt brothers then pretend to be frogfish, when they see Zach's robot fish taking pieces of coral. Aviva finishes the discs and Jimmy teleports them to the Kratt brothers, who camouflage after activating their Creature Power Suits. They manage suck in a few robotic parrotfish, when Donita and Zach arrive to find out why the robotic fish are not returning to his submarine. While Zach is counting the fish already under his control, the Kratt brothers see Rocket Jaw hovering his lure to lure in a parrotfish, and Chris tells Aviva to install a lure attachment. Chris makes his first move by casting his lure – a coin with Zach's face stamped on it, towards Zach, while Martin casts his lure – a piece of coral jewelry, towards Donita. Zach and Donita, mesmerized by the lures and not taking notice of the camouflaged brothers, move closer to them. The Kratt brothers instantly suck in their underwater vehicles. Then Rocket Jaw sucks in Zach's controller. Rocket Jaw spits the controller out, and it ends up in Chris's fins. Chris deactivates the robotic suits on the parrotfish. Aviva and Koki head to Zach's submarine and use a robot arm to grab the net containing the pieces of coral. After Chris hands Zach his controller back, the Kratt brothers spit out Zach and Donita's underwater vehicles, propelling them away. At the end, the Kratt brothers use a special tape to reattach the broken-off corals.
The show transitions into the concluding live action segment. The Kratt brothers dive down again to see the frogfish. Afterwards, they conclude the episode by saying "Keep on creature adventuring; we'll see you on the creature trail!"
- Frogfish:Rocket Jaw