Perplexahedron (Episode)

Perplexahedron is the fifteen episode of Ben 10: Ultimate Alien.

Plot
Ben, Kevin and Gwen race Aggregor through a mysterious artificial planetoid designed to destroy anyone who enters.

Major events

 * Ben, Gwen, Kevin and Aggregor search the fourth part of the Map of Infinity.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Azmuth (seen in a trailer)

Villains

 * Aggregor

Aliens used

 * Swampfire

Quotes

 * Kevin: You get the feeling the same thing has happened to you before?
 * Gwen: Deja vu?
 * Kevin: Gesundheit.


 * Swampfire: (seen Gwen and Kevin kiss) Why don't you guys go get a room?!