The End of Snake Way! King Kai's Bizarre Test! (辿り着いた終点!界王様のおちゃめな試練 Tadori Tsuita Shūten! Kaiō-sama no Ochame na Shiren, lit. "The End of the Line is Reached! Playful Trials of Kaiosama") is the sixth overall episode in the Dragon Ball Z Kai series. The episode first aired on May 10, 2009. Its original American air date was May 26, 2010.
Meanwhile, Goku has arrived at the end of Snake Way. He first sees a monkey on King Kai's planet, which, despite its small size, is ten times Earth's gravity, and he thinks the monkey is King Kai. Goku thought acting like a monkey is part of the training until meeting King Kai. King Kai tells him that monkey is his pet Bubbles, which Goku feels embarrassed about. In order for Goku to train under King Kai's teachings, he must attempt to make the master laugh. After Goku's accomplishment of making him laugh, King Kai tells him to catch his monkey, Bubbles. Having Bubbles run around his planet, Goku must chase after the monkey; a difficult task for him due to the planet's heavy gravity.
- The trade mark of King Kai's handpump was removed.
- Originally the last shot is a freeze frame of Goku and Bubbles with, what looks like a sepia-tone, but in the edited it is just the regular colors.
- The scenes where the cut tail of dinosaur has been removed.
- When King Kai imitates a telephone ringing, he hums the .