...Nor Iron Bars a Cage

Nor Iron Bars a Cage is the seventeenth episode of Ben 10: Ultimate Alien.

Plot
With Kevin having absorbed Ben's aliens and become insane once again, Ben and Gwen are forced to travel to a planet used solely as a prison in an attempt to bring an end to his terrorizing rampage and help him come to his senses in order for him return to his original human self.

Characters

 * Kevin Levin (main character of the episode)


 * Ben Tennyson


 * Gwen Tennyson

Villains
Kevin Levin (Gone Insane)

Trivia

 * The name of the episode likely comes from the poem by Richard Lovelace with a well known verse being "stone walls do not make a prison, nor iron bars a cage".