Wild Kratts Season 4 Episode 19 - Archerfish School Episode Title:Archerfish School.Episode Description:One day, while the Wild Kratts are in an Asian mangrove swamp, Chris is practicing archery. However, since his aim is not very good, he and Martin decide to check out the greatest archer in the creature world: the archerfish. The Kratt Brothers learn about the archerfish's creature powers that allow it to hit small prey with jets of water. Aviva programs Archerfish Powers for Chris and Martin, and just in time too-Donita Donata is capturing animals for her new line of fashion, and the Kratt Brothers will need to use the Creature Powers of the archerfish to stop the evil fashion designer.