Vilgax has beaten the heroes of 10 planets and taken their powers as his own. He has now returned to Earth and issued a conquerers challenge to Ben where the victor claims dominion over the Earth. \r<br>Watch more Ben 10: Alien Force on Cartoon Network!\r<br>\r<br>Watch more videos and play Ben 10 Alien Force games: \r<br>\r<br>Check out our Cartoon Network Facebook pages:\r<br>\r<br>
