Of Predators and Prey: Part 1 is the ninth episode of Ben 10: Omniverse and the two-part season final of the first

Of Predators and Prey: Part 1
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General Information
Original broadcast November 10, 2012
Series Ben 10: Omniverse
Season 1
Episode number 9
Episode number in production order 9
Overall episode number 159
Written by Kevin Rubio
Directed by Chris Berkeley
Episode Guide
Previous episode [[Have I Got a Deal for You]]
Next episode [[Of Predators and Prey: Part 2]]



The show starts in the middle of the same flashback as The More Things Change: Part 1, Malware deactivates and drains the prototype Omnitrix. Five years later, Ben and Rook are playing a Sumo Slammers video game when Crabdozer comes out through the wall. Ben activates the Omnitrix to Humungousaur but turns into Stinkfly instead. Stinkfly spits goo on Crabdozer's legs sticking them to the floor. Crabdozer turns into Buglizard and breaths gas onto the goo causing it to melt away. Buglizard grabs Stinkfly and throws him around before Rook shoots him. Ben is covered in spit and tries to battle him with Humungousaur but transforms into Wildmutt. Wildmutt attacks Buglizard and they end up fighting in the parking lot. Khyber, watching over the battle from a close by building, whistles causing Wildmutt to be stunned by the noise. In a flashback, Malware is heading up to the lab of Dr. Psychobos to talk about a device he is planning to create. However, he doesn't have sentient DNA to make it work. Then they head over to the Plumbers base where Max is trying to recapture an alien scorpion-like thing. Once caught, Max reveals that the alien was for a meal he was cooking and gives some to Rook. Ben tells Max about Khyber's Pet who is hunting him. Max asks Ben what he thinks they should do. Ben tells Max an idea that Rook told him earlier but can't talk due to having food in his mouth. Later, Ben and Rook is in Undertown to find Khyber's pet. After Rook checks someone to be Khyber's Pet in disguised, Ben and Rook fights over what they should do. Then Rook decides to leave, leaving Ben with his hoody, hoverboard, and his broken Plumbers badge (after Rook breaking it saying that he doesn't deserve one). Ben finds Pakmar and learns that Pakmar has made a pet store. Ben asks him to bring dog whistles so Ben can try it. Ben turns into Wildmutt as Pakmar tests some whistles. Then Ben is attacked by Khyber's pet, then Khyber himself. He turns into Crashhopper to battle. Khyber's pet then turn into Mucilator and belly flops on Crashhopper, so Ben turns into Armodrillo and throws Mucilator. Mucilator than turns into Slamworm and goes underground before coming up and attacking Armodrillo. Armodrillo than turns into Heatblast and chases after Khyber but has a surprise attack by Crabdozer. Heatblast then tries to turn into Humungousaur but turns into Ball Weevil. At first Ben didn't know how to use Ball Weevil but then spits a ball and rolls around uncontrollably before seeing that the ball can explode. Crabdozer counters this by turning into Terroranchula. Ball Weevil flees but Khyber defeats him by redirecting one of his balls. He reverts back into Ben and is beaten and Khyber say "Yes". The episode ends with a "To Be Continued" on it.

Major Events

  • Ben and Khyber fight each other for the first time.
  • Dr. Psychobos makes his debut, and it's revealed that he hired Khyber to collect Omnitrix DNA samples for Malware.
  • Ball Weevil gets unlocked and makes his first appearance.
  • Terroranchula (Ball Weevil's predatory species) makes his first appearance.
  • The origin of the Nemetrix is revealed.
  • Stinkfly makes his Omniverse debut by 16-year-old Ben.
  • Ben and Rook have their first big argument against each other.


Omnitrix Aliens Debuts

Nemetrix Aliens Debut



Aliens Used

By 16 year old Ben

By 11 year old Ben

By Khyber's Pet


  • Crabdozer transforms to Buglizard to melt Stinkfly's Slime. It can be seen that his rear leg still have Slime. In the next scene, he doesn't have slime in his rear leg.
  • When Wildmutt tackles Buglizard, he roars without his mouth moving.
  • Even though Ben said the hoverboard was the same one from when he was little, it was completely different from the old one.
  • When Ben is about to slam the Omnitrix for Crashhopper, the screen on the Omnitrix is sideways instead of straight.


See Also