Watch Ben 10: Alien Force Primus Online Stream. Just after a really good episode few days ago, the new episode for the Ben 10: Alien Force really looks good. The episode is the Ben 10: Alien Force Primus. In this episode, In the middle of fighting another Techadon robot, Ben, Gwen, and Kevin are unexpectedly transported by the Omnitrix to an alien planet called Primus. They soon discover that they are not alone and that Vilgax is there to stop the Omnitrix from its source. The Ben 10: Alien Force Primus S03E14 will be aired by 01-15-10 in CN. Its going to be a really good and fantastic episode guys. So Watch Ben 10: Alien Force Primus Online Stream.