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Under Wraps is the thirty-fourth episode of Ben 10.


The episode begins on a farm where purple lightning strikes as three boys go cow tipping. One of the boys, Todd Maplewood, is uncertain about tipping the cows at night, and the others make fun of him. Todd tries to tip a cow, but he cannot and trips. The other boys laugh at him, but they run from the angry bull. Todd faces him, and the cow flees. Todd turns around to see a Mummy.

In the Rust Bucket, Max is angry at Ben and Gwen because they have not been complete their chores and he hears a radio ad for farm camp at the Maplewoods' farm camp and signs the Ben and Gwen up to teach them about the value of hard work. Joan Maplewood, who is Todd's mother, welcomes them and they are immediately put to work. Ben tries to activate the Omnitrix and transform, but Max tells him that Ben - and only Ben - must complete the work without the use of his aliens. At dinner, Todd starts to tell Ben and Gwen something, but his mother tells him not to. Later, Todd tells Ben and Gwen about seeing the Mummy and the group goes to bed early, but Ben and Gwen decide to search for the mummy and they sneak out and into the fields, and search for the mummy, finding purple footprints leading to a crater. Purple, mutant cows arrive and attack them. Ben transforms into XLR8 to fight them. XLR8 ties them up with barbed wire and runs off, following the purple footprints. He finds the Mummy digging for a glowing purple rock. The Mummy sees him.

The Mummy attacks and XLR8 fights him, but XLR8 reverts back into Ben. Then, the Mummy pulls down a silo on him, but Gwen knocks him out of the way. Ben and Gwen return back into the farm just as it's time to wake up and they are told to milk the cows. Ben wants to transform Four Arms and Gwen tells him not to, but he convinces her to let him. Ben transforms Four Arms and milks the cows and then uses aliens to do all of his chores: he transforms into Wildvine to feed pigs, then transforms into XLR8 again to harvest eggs, then transforms into Wildmutt to plow a field, and then transforms into Diamondhead to plant a fence. Later, Todd tells Ben and Gwen about the purple lightning, and they speak about it to Max, who takes them to search for the Mummy. Max scans the cows and finds that they were mutated by Corrodium, a toxic mineral that mutates life, and says that the Mummy is searching for more Corrodium. They track the Mummy to the Digby Dairy factory and they enter in searching for him. They discover a large deposit of Corrodium and Ben transforms into Diamondhead again to dig it up. Diamondhead discovers the Corrodium, but the Mummy arrives.

Diamondhead and the Mummy fight, but The Mummy grabs the Corrodium. A security guard arrives, but the Mummy mutates him. Max and Gwen wear suits to protect themselves from the Corrodium, and Max says that Ben is safe as Diamondhead. The mutated guard attacks Max and Gwen and Gwen tries to use a spell, but it inflates her suit instead. Max and Gwen fight the guard and tie him in packing tape while Diamondhead and the Mummy continue to fight. After Diamondhead reverts back into Ben. Max gives Ben a hazmat suit. The Mummy chases Ben, but Ben trips him with ice cream. He blasts him with a marshmallow hose and Gwen dumps peanuts on him, sending him into a fan and tearing him up. The Mummy survives and grabs Ben and He tears Ben's suit to expose him to the Corrodium. The Mummy touches the Omnitrix and it scans his DNA, which unlocks Benmummy. Ben tries to transform into Benmummy, but he transforms into Upgrade instead. Upgrade freezes the Mummy and they bury it into the ground and the cows and the security guard transform back into normal. Ben and Gwen beg Max to not take them back to the farm since they now learn their lesson and promised to do their chores for now on, and he agrees after remembers how he used to hate working on the farm when he was a child.

Noteworthy Events

Major Events

Character Debuts



Aliens Used

Spells Used

  • Mulcha objectia



(Ben tries to sneak out of the chicken coop at night)
Gwen: Going somewhere?
Ben: Same place you are.
Ben and Gwen: Mummy hunt.

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Ben: This is gonna take forever... Unless we get a little special help.
Gwen: Ben, grandpa told you specifically not to go alien to do this stuff.
Ben: Yeah, I guess you're right. You wouldn't want to miss out on the experience of milking all these cows!
(Cow moos.)
Gwen: So, what are you waiting for? Change already!

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(Grandpa Max sticks a device on Gwen and himself, which covers them in a protective hazmat suit)
Grandpa Max: Level 10 Hazmat suits. Don't think your parents would appreciate me bringing you home all mutated.
Diamondhead: Hey, what about me?
Grandpa Max: As long as you're in alien form, you should be safe from the mutation effects.
Diamondhead: "Should be?"

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Gwen: Well, here goes nothing. Emocha Objectia!
(Gwen tries to perform a spell, but her hazmat suit inflates, causing her to bounce around uncontrollably. After landing on the mutated security guard, her suit deflates.)
Gwen: Ok, that's a note. Never try to perform a spell from inside a hazmat suit.

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Ben: Time to fight mummy with mummy. (transforms into Upgrade)
Upgrade: Upgrade? Aw, man!

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Naming and Translations

Language Name Origin
Croatian Pod Velom Tajni Under The Veil Of Secrecy
French Le Secret de la Momie The Secret Of The Mummy
German Die Mumie The Mummy
Hungarian Cenzúra Alatt Under Censorship
Italian La Mummia Aliena The Alien Mummy
Polish Kosmiczna Mumia A Space Mummy
Portuguese (Br) Enrolados Wrapped
Romanian Sub Acoperire Undercover
Russian На Ферме On the Farm
Spanish (HA) La Momia Mutante The Mutant Mummy
Spanish (Spain) Liados Y Envueltos Bundled And Wrapped


Voice Actor Role(s)
Tara Strong Ben Tennyson
Meagan Smith Gwen Tennyson
Paul Eiding Max Tennyson
Jim Ward XLR8
Security Guard
Richard McGonagle Four Arms
Khary Payton Boy #1
Kath Soucie Joan Maplewood
Boy #2
Rob Pinkston Todd Maplewood


  • The Werewolf and the purple lightning from Benwolf are mentioned in this episode.


  • Wildmutt's lips are orange in one scene.
  • When Gwen goes out of the machine, the sides of her hazmat suit are miscolored.
  • When the Omnitrix scans the Mummy's DNA, Ghostfreak's silhouette can be briefly seen even though he is no longer in the Codon Stream.
  • When Upgrade times out, Ben is not wearing his hazmat suit.


  • It is revealed Ben's favorite ice cream is made by Digby Dairy.


Kersti Myrberg

Ben 10 Episodes