DBZK Episode 23

Vegeta's Covert Maneuvers! A Tragic Assault on the Namekians! is the twenty third overall episode in the Dragon Ball Z Kai series. The original Japanese title is "Anyaku no Bejīta! Namekkuseijin wo Osō Higeki" (暗躍のベジータ！ナメック星人を襲う悲劇). The episode first aired on September 13th, 2009. It's original American air date was June 24, 2010.

Zarbon wonders why Dodoria hasn't returned, but Frieza is unconcerned. Vegeta, using his new earthbound abilities, senses Gohan, Krillin, and Dende in the distance. Gohan and Krillin lower their Ki enough to avoid being detected further, but Dende doesn't know

Guru, The Grand Elder.

how to. Before Vegeta can home in on Dende's power, a giant Namekian fish appears, giving Vegeta the thought that it was the source of Ki he detected. He later comes across a village of 20 or so Namekians, and demands to be given the Dragon Ball. When the elder Namekian of the village denies him the Dragon Ball, Vegeta slays all the Namekians and finds the Dragon Ball in one of the huts. He then proceeds to throw it in a nearby lake so that Frieza and his men cannot find it. Meanwhile, Dende takes Krillin with him to see the Grand Elder of Namek.