This is a flashback speacial event As a 15 anniversary for ben 10.

Alright child hand over the Ommitrix Vilgax said and clenched his fist.

"Really Vilgax just because you knocked out my Grandpa and cousin and even Kevin gives you no right to the Ommitrix it wasn't for you and it will never be " Ben said sternly.

You've tested my paticence for too long boy vilgax said and shot laser eyes at ben who ran to the right .

"It's hero time ben said and hit the core of the ommitrix as there was a green flash .

Ben's arms turned red as he had four big bulky arm's .

Four arms turned the ommitrix dial as he was covered up in Ommi-kix Amour then Ommi-kix Four Arms Punched his fist then did a pose.

"Let's do this " Ommi-kix Four arms said and ran over then vilgax streched his tentacle arms and grabbed Ommi-kix Four arms and swung him around. "Woah !" Ommi-kix Four Arms said as Vilgax tossed him away then Ommi-kix Four arms landed on his feet and shot rocket fists at Vilgax who whacked them away then Ommi-kix Four arms Turned into Ommi-kix Xlr8 who rushed around and attacked Vilgax from multiple areas then Turned into Ommi-kix Rath who Clawed at vilgax Then jumped and kicked him then vilgax shot laser eyes but Ommi-kix Rath deflected it then Turned into Ommi-kix Diamondhead and shot crystals at Vilgax who Blocked then Ommi-kix Diamondhead punched him in the arms then started punching him then turned into Ommi-kix slapback and jumped and hit a drop-kick on vilgax sending him back then Turned into Ommi-kix Humongausor and whacked him with his tail then turned into Ommi-kix Heatblas t And shot a fire blast at vilgax then timed out.

Vilgax was defeated

Good job kiddo Carl said getting up how about we get you the new sumo slammers game He said.

Alright ben said and jumped up .

BEEP ! BEEP ! BEEP !.

"Aw man " Ben said waking up.

Ben walked Towards the bathroom and brushed his teeth and dressed up in a black-striped, white shirt with short sleeves, military green cargo pants with side pockets, and black and white sneakers with black stripes.

Ben went downstairs.

Happy Birthday Benjamin Sandra said she wore a purple sweater over a lavender shirt, white pants, and purple Mary Janes.

Thanks Mom Ben said and ate his cereal.

Need's more milk ben said and opened up the fridge to reveal no milk but other food items .

Oh sorry I forgot to go get it Sandra said.

Eh don't worry ben said and adjusted his ommitrix and hit it .

Red Coal went on ben's body then it broke revealing a magma based Pyronite.

"Wait Heatblast I wanted xlr8 " Heatblast said.

"Benjamain what did I say about that watch". Sandra said with a stern look.

"Sorry Mom " Heatblast said and ran out of the house.

Meanwhile

Gwen was Watching Lucky Girl , Gwen had short red hair held by a blue hair clip and green eyes and wore a blue raglan shirt with a cat logo on her chest, white capris, and a pair of white shoes with dark blue stripes.

Natile walked into the room She wears a white blouse with a green vest and a dark grey skirt with high-heeled shoes of the same color.

She has golden earrings and a necklace with a golden buckle.

"Happy birthday sweetie" Natile said Listen we're going out later okay.

"Okay thanks Mom "Gwen said cheerfully .

meanwhile ben got milk from the diary Idie then some Cold Milk spalshed on Ben .

" Hey who did That ben asked and looked around .

Boo a pickle mascot said and laughed then took off the coustume to reveal Cash.

Cash ? Ben asked before J.T Gave him a weedige

YOOWOW! Ben shouted as Cash and J.t walked away.

Just let them go ben Ben said to himself then paid for the Milk and walked away.

Meanwhile Gwen arrived at the Laser tag staduim

"Happy- Waug!" Marcy said and slipped but Anne caught her "Birthday" Marcy Finished .

"Thanks Girls " gwen said .

Ok while we're waiting for your cousin Let's do something Fun Sasha said.

Meanwhile A Rv arrived at Ben's place The Rustbucket is more of a modern RV than the one featured in the Classic Continuity. It is blue and white with red lines. On the side of the Rustbucket, there is a green UFO symbol. Its bumper is metallic, and has rust on it. The RV also has a hatch covering a space big enough to store a go-kart, where resides following his merging with the Tennyson go-kart.

Max came out Max wore a white shirt, covered by a red buttoned-up Hawaiian shirt with a floral design. He had grey hair and blue pants, as well as brown shoes.

"Grandpa!" ben said and ran over to hug him

hey kiddo Happy Birthday Max said rubbing his hair "ready to go ? "

Yeah Ben said and entered the rv

Meanwhile the girls returned.

Natile was furous with them.

Um what's wrong Mom ? Gwen asked before Natile melted back to lucy.

Happy birthday ! Lucy said and hugged gwen.

All of a sudden the rv arrived.

Ben jumped out.

Happy birthday Ben and Gwen said in union.

Wait your hanging out with Her ? ben asked pointing at sasha .

Yeah got a problem sasha asked.

Nope Ben Lied.

Soon Jamie Cooper Two kids named mike and josh came.

Ok let's do this boys vs girls Jamie said.

Oh you boys are going down Anne said.

The game started.

There was shooting everywhere.

Marcy tried to run and aim but she tripped.

Marcy Anne said before Mike shot them.

Gwen jumped up and shot mike.

Meanwhile josh was walking around before Lucy slid in the dark and then shot him .

"dang it Josh said "your free tomorrow Right?" he asked.

Nope Lucy said.

Ben and sasha was shooting at each other .

Cooper shot Sasha from behind then Gwen shot Cooper.

Ben and gwen just stared at each other then the screen show max and ben and gwen's parents watching

Then some juice fell on ben.

Hey ben said as Gwen shot Ben.

Cash And J.t ! Ben said before bootleg went into Cash's gun and Cash shot a laser Missle at ben as gwen pushed ben out of the way.

That's it ben said and adjusted the Ommitrix and hit it.

Crystals went up on Ben as ben turned into diamond head.

Let's do this Diamondhead said as lucy tried to shoot him Diamondhead sent the laser to J.t

Then Anne shot Jamie .

Bootleg turned into rush.

Let's dance Rush said.

Kevin stop ! Gwen said as Kevin Timed out.

Your ruining Our birthday gwen said mad.

I-ugh gotta go Later Loser kevin said and ran Off.

Ben timed out.

Marcy shot Ben to win the game.

Alright Marcy said who's the winner I am Oh yeah.

later the group was eating a chocolate cake.

When I see Cash and J.t I'll crush them ben said before Playing on his new sumo slammer game.

Gwen noticed a present from kevin.

Gwen hid the letter and threw the box away.

Hey Ben Um Wanna be friends Anne asked.

Nope Ben said and slurped his smoothe.

Sasha walked out the door with marcy as Anne ran after them.

Ben and gwen looked at each other then at lucy who was reading comics.

What Lucy said holding Gwen's journal.

Why you Gwen said and chased Lucy.

That's it for this flashback spiecal Happy 15th anniversary Ben 10.

Enjoy this teaser.

Hey Gwen Polly asked.

Yeah Gwen responded.

Why do you get red when your around Marcy Polly asked.

It's a long story gwen said.

Enjoy you last moments of living tennyson Albedo said.

Sasha and Anne ran towards each other around a vocano.