Ben 10 Planet

Perplexahedron (Episode)

2,888pages on Ben 10 Planet
General Information
Original broadcast November 5, 2010
Series Ben 10: Ultimate Alien
Season 1
Episode number 15
Overall episode number 113
Written by Brian Swenlin
Directed by Matt Youngberg
Episode Guide
Previous episode Where the Magic Happens
Next episode The Forge of Creation (Episode)

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


Azmuth contacts Ben on the Ultimatrix and is not happy with him for failing to stop Aggregor from claiming three of the four pieces to the Map of Infinity. When Ben tells Azmuth that scolding him is not going to help, Azmuth agrees and then teleports Ben, Gwen, and Kevin to another galaxy, in which they find the Perplexahedron, a giant cube-like artificial planet and find Aggregor approaching the planet.

Perplexahedron's Artificial Gravity
JuniperAlienAdded by JuniperAlien

The group chases Aggregor, but he is able to successfully get in using his three pieces of the Map of Infinity and the group is able to get in there as well, but barely. Gwen cannot track Aggregor, and they are going through random doors that seem to defy gravity. Ben gets Gwen to make trackers on the floor and it shows the hallways are moving down to random rooms. When Kevin punches the locked door, it activates its security system. Ben tries to become Chromastone, but instead becomes Humungousaur. And now, they are waiting their supposed death as the lasers move in closer to them.

Gwen manages to destroy the lasers, but then they encounter a big, white humanoid robot, which they later defeat. They encounter another trap, which is a wind tunnel and Ben, Kevin, and Gwen are separated. Gwen fights more security drones and encounters Aggregor (who simply ignores Gwen). When the room Ben and Kevin are in is flooding, Ben becomes Ripjaws to free them. The next room they go in becomes filled with acid and Ben barely manages to save him and Kevin using Spidermonkey. Gwen and Aggregor keep going through the Perplexahedron, where they keep encountering security, but Aggregor easily destroys the traps. Soon, they come into a room where it is snowing and Aggregor finally gets tired of Gwen when she tries to get his attention, so he hoses her into a wall, where she freezes in a ice cube.

Ben manages to thaw Gwen from her frozen prison as Swampfire and she and Kevin kiss. They realize to get to the final piece of the Map of Infinity, they have to go through the rooms where the guards appear. They do that and soon encounter the Sentinel, the keeper of the final piece of the Map of Infinity and his crown is revealed to be a piece of the Map of Infinity and knows a lot of Aggregor's plan. He tells Ben that his mission in protecting the final piece has succeeded and that the Perplexahedron has fulfilled its purpose. The Perplexahedron begins to crumble and Aggregor appears and beats the Sentinel for the Map of Infinity. Ben becomes Cannonbolt and Aggregor is able to defeat him, but Ben becomes Ultimate Cannonbolt and begins to deathly hurt Aggregor for his crimes. But Aggregor is still unbeatable and fights off Ben, then takes the last piece of the Map of Infinity. Ben, Gwen, and the Sentinel are picked up by Kevin and the Sentinel is unhappy at Ben for his failure to not protect the Map of Infinity and then his final words were "all is lost" before he disappears. But the team still vows to stop Aggregor once and for all, before he puts his plan into motion.

Major Events

Ripjaws ua
Ripjaws' Debut.
Superbike10Added by Superbike10

Ultimatrix Alien Debut



Aliens Used

Spells Used

  • Turbo (used by Gwen to rip up the Perplexahedron robot guard)
  • Thrasius (used by Gwen to create a reflective shield around the team, deflecting the lasers shooting at them)



Gwen: What's the plan?

Ben: I'm thinking...

Kevin: We are in trouble.
Quotes Right


Ben: No it isn't, you're yelling at us and telling us how stupid we are, that's not helping us to find Aggregor so it's not important.
Azmuth: (livid) Ben Tennyson you are... (relents) absolutely correct.
Kevin: He is?

Gwen: He is.
Quotes Right


Ben: How do we find Aggregor?
Azmuth: (sigh) The last piece of the map is in a location designed to protect it from all unworthy....(shows a cube) The Perplexahedron. I'm sending you there now. Do not fail the universe again, Ben Tennyson.
Ben: No pressure. (they teleport)
Kevin: (after teleporting) That's the way to travel.
Gwen: (looking at the monitor) Azmuth just teleported us to another galaxy.
Ben: Where's the thing we're supposed to protect? Can you find it?
Gwen: (the spaceship goes into the midst of darkness) The Perplexahedron?...(looks up) Yeah, finding it is not a problem.
(View zooms out and shows the whole planet)
Ben: (shocked) That can't be right, that thing is huge!
Gwen: How are we supposed to know what to do next?
Ben: (monitor rings) I don't know.
(looks on the monitor then into the midst of space and see Aggregor coming into the planet)

Ben: Maybe we should ask him.
Quotes Right


Kevin: You ever get the feeling the exact same thing has happened to you before?
Gwen: Deja vu?

Kevin: Gesundheit.
Quotes Right


Ben: We keep moving. That's all we can do. (Then, the doors are all locked.) All we could do...doors locked.

Gwen: (pushing at a door) Mine too. Bet they're all locked.
Kevin: Bet I don't care.

(Kevin shapes his hand into a ball with spikes and smacks the door) (The door lights up)
Quotes Right


Ben: (After seeing the lasers come closer) Lasers call for Chromastone!
(transforms into Humungousaur)

Humungousaur: Humungousaur! (to Ultimatrix) If you´re gonna give me the wrong guy all the time, why do you even have a dial?
Quotes Right


(After the guard hits Humungousaur)

Kevin: (coincidentally) Yes!

Humungousaur: This makes you happy?
Quotes Right


(As the room fills with water)

Kevin: I'm assuming you have a plan?
Ben: As long as the Ultimatrix works, I do!

Kevin: So, no plan really...
Quotes Right


Kevin: We still don't know where Gwen is.

Ben: Don't worry, she can take care of herself.
Kevin: I know, that's part of why I like her. Doesn't mean I don't want to take care of her anyway.
Ben: Sometimes its hard to believe you're that same little kid who used to try to kill me every week.
Kevin: Well, you probably had it coming.
Ben: I'm serious though, we were arch enemies and now you're like the big brother I never had.
Kevin: I remember, I was trying to kill you before you made me nauseous with all the sincerity.
Ben: Yeah, okay. I guess there's a reason guys don't talk about this stuff. Unless you....wanna talk about this stuff?
Kevin: (sighs) Okay, I like the Kevin that Gwen sees when she looks at me. And I like that you gave me another chance, even after I messed up all those other ones. I guess I'm sayin' I owe you guys for changing my life.
Ben: Thanks for sharing that with me Kevin. When Gwen hears about-

Kevin: It never happened.
Quotes Right


Gwen: Don't ignore me! Come back!
(runs after Aggregor and walks into a new room filled with snow)
Gwen: Hey, I'm talking to you!
Ultimate Aggregor: But I have no interest in anything you might say.
(Gwen wraps mana around him causing him to stop but Aggregor easily breaks out and walks off. She continues to throw mana at him but fails again)
Ultimate Aggregor: You amuse me less and less....
(Extends out arm and shoots water at Gwen causing to fly back)
(Gwen grunts and rolls in the snow and gasps as she sees Aggregor in front of her)
Ultimate Aggregor: I have a map to find...
(Aggregor walks away)
(Gwen gasps as she begins to freeze in ice)
Gwen: Aggrego-!
(Gwen completely freezes)
Ultimate Aggregor: ...and you have problems of your own.

(Aggregor leaves through a door)
Quotes Right


Swampfire: He's trying to say he really likes you.
Gwen: I know that already
(Gwen kisses Kevin)

Swampfire Why don't you guys get a room?! This place is full of them!
Quotes Right


  • Error spike
  • Error symbol
  • The mana crumbs are in a straight line
  • The mana crumbs are not in a straight line
  • Gwen's lips are open
  • Gwen's teeth are touching
  • When Cannonbolt becomes Ultimate Cannonbolt, the Ultimatrix doesn't gain the four spikes until after the transformation is finished.
  • If you look at the trail Gwen is making, you can see that it is in a straight line, but on the other side of the room it is not.
  • When Gwen was frozen she had her mouth open in the next scene she had both her upper and lower teeth joint together.
  • When Ultimate Cannonbolt was about to turn into his ball form, the Ultimatrix symbol was only green, instead of the intergalactic peace symbol, and the four spikes are missing.
  • In the scene where Ben and Gwen went to rescue the Sentinal, the first scene the final piece to the Map of Infinity wasn't with him(or anyone), and the next it was in his hand as he showed it to Aggregor, and in the next it was gone again.
  • The scene where Aggregor grabs the last piece to the Map of Infinity, it mysteriously pops out from behind Ultimate Cannonbolt(Ben).

Naming and Translations

Language Name Origin
Portuguese (Brazil) Perplexaedro Perplexahedron
Spanish (Latin America) El Perplexahedron The Perplexahedron
Spanish (Spain) El Perplexahedron The Perplexahedron
Polish (Poland) Pomyłkohedron The Perplexahedron


Ff b10ua weeklycode ultcannonbolt 384x216
Fusion Fall
123hostAdded by 123host
  • Fusion Fall has released an Ultimate Cannonbolt suit in relation to this episode.
  • Dwayne McDuffie confirmed that Ben gained Ripjaws because he scanned some Piscciss Volann in Deep.
  • In India and the Arab World, the scene where Gwen and Kevin kiss is censored.

See Also

Around Wikia's network

Random Wiki