|Previous episode||Next episode|
|"Blue Heron"||"Komodo Dragon"|
Aviva challenges the Kratt Brothers to a fencing competition. But they will only accept the challenge if she makes a creature power suit for one of the three kinds of billfish - Swordfish, Marlin, and Sailfish. Meanwhile, Zach starts collecting fish from the ocean.
Note: Featured animals are in bold.
- Atlantic Blue Marlin (called Blue marlin)
- Atlantic Sailfish (called Sailfish)
- Shortfin Mako Shark (called Mako shark)
- Frigate Tuna
Note: Live action animals are linked to Wikipedia.
- Domestic duck (called Duck)
- American flamingo (called Flamingo)
- Brown pelican (called Pelican)
- Rufous-tailed hummingbird (called Hummingbird)
- Harris's hawk (called Hawk)
- Bald eagle (called Eagle)
- Black marlin
- Striped marlin
- Zach mentions he lost the fishing contest to Gavin from "Bass Class".
- Attempting to avoid fencing with Aviva, Chris and Martin claimed they are no fighters, rather adventurers. However, they actually fight rather often.
- This Episode reveals that Aviva and Zach did fencing at Science Camp.
- This is the fourth episode Aviva wore her wetsuit.