Prisoner Number 775 Is Missing

}}Ben 10,000 Returns is the 32nd episode of Ben 10: Ultimate Alien, and its the twelth episode of the second season.
 * original broadcast    = April 29, 2011
 * series                = Ben 10: Ultimate Alien
 * season                = 2
 * episode number        = 32
 * overall episode number = 130
 * written by =
 * directed by =

Plot
Max, Ben, Gwen and Kevin discover the hidden truth about Area 51.

Characters

 * Gwen Tennyson
 * Ben Tennyson
 * Kevin Levin
 * Max Tennyson