Dragon Ball Z Kai Season 1 Episode 6 The End of Snake Way! King Kai's Bizarre Test! ( Air Date 2009-05-10 ) Genre Sci-Fi & Fantasy, Animation, Action & Adventure, Comedy category. Overview "As the deadly Saiyan invaders approach Earth, Gohan makes slow, but steady, progress under the watchful eye of Piccolo, and Goku struggles with the "gravity" of his training under King Kai.".