Ben 10 Season 1 Episode 5 Hunted Episode Title:Hunted.Episode Description:Still in recovery, Vilgax hires three alien bounty hunters to retrieve the Omnitrix: a robotic crustacean named Krabb, an assassin named Sixsix, and a mysterious gunman named Tetrax. The trio encounters Ben playing around with the watch and force him to flee. However, when Ben attempts to fight Tetrax, who had separated from the group, Tetrax reveals himself to be the same species as Diamondhead and criticizes him for his lack of strategy while in combat. Proving himself to be on the good side, Tetrax aids Ben in warding off Kraab and Sixsix. Realizing that Ben took his words to heart, Tetrax decides to leave the Omnitrix with the child and awards him with a hoverboard.