A new villainess called Duplikate is confronted by the girls, but her duplicating ray hits Blossom which creates two monochrome copies of her. They're much like her, but it's driving Buttercup insane. Bubbles and Buttercup split off to create their own crime-fighting duo while Blossom is also irked by her duplicates.
Duplikate is a combination of "duplicate" and Kate.
Blossom is the second Powerpuff Girl to have a double. But that being said she had two duplicates instead of one. The first is Bubbles in "The Trouble with Bubbles".
Jake Goldman, one of the writers of the show confirmed that why Blossom rejected the offer for a free puppy was because she was allergic. This wasn't put into the final episode due to it being "too justified".
Professor Utonium doesn't mind how many daughters he has as long as they are a prime number.
Running gag: Blossom's doubles doing some "focus testing".
Cultural References[]
My Little Pony - "Operation: Tanks for the Memories" might have been a reference to a My Little Pony episode of the same name. (and the creator of the series did also create My Little Pony).
Alien 3 - This episode title might be a subtle nod of a 1992 film Alien 3 (also stylized as Alien³) from the Alien movie trilogy.
The Girl with a Dragon Tattoo - Blossom had a book called "The Girl with a Dragon Sticker" is obviously a parody of Stieg Larsson's novel and a 2011 movie adaptation.
The Thing - Bubbles appeared to be muscular and cried "It's clobbering time!" is a catchphrase of a Marvel superhero and The Fantastic Four character from the franchise.
Multiplicity - The ending of this episode is a reference to the plot of the film.
Season 1:Monkey See, Doggie Do • Mommy Fearest • Insect Inside • Powerpuff Bluff • Octi Evil • Geshundfight • Buttercrush • Fuzzy Logic • Boogie Frights • Abracadaver • Telephonies • Tough Love • Major Competition • Mr. Mojo's Rising • Paste Makes Waste • Ice Sore • Bubblevicious • The Bare Facts • Cat Man Do • Impeach Fuzz • Just Another Manic Mojo • Mime for a Change • The Rowdyruff Boys • Uh Oh Dynamo Season 2:Stuck Up, Up and Away • Schoolhouse Rocked • Collect Her • Supper Villain • Birthday Bash • Too Pooped to Puff • Beat Your Greens • Down n' Dirty • Dream Scheme • You Snooze You Lose • Slave the Day • Los Dos Mojos • A Very Special Blossom • Daylight Savings • Mo Job • Pet Feud • Imaginary Fiend • Cootie Gras • The Powerpuff Girls Best Rainy Day Adventure Ever • Just Desserts • Twisted Sister • Cover Up • Speed Demon • Mojo Jonesin • Something's a Ms. • Slumbering with the Enemy Season 3:Fallen Arches • The Mane Event • Town and Out • Child Fearing • Criss Cross Crisis • Bubblevision • Bought and Scold • Gettin' Twiggy With It • Cop Out • Three Girls and a Monster • Monkey See, Doggy Two • Jewel of the Aisle • Super Zeroes • Candy Is Dandy • Catastrophe • Hot Air Buffoon • Ploys R' Us • The Headsucker's Moxy • Equal Fights • Powerprof. • Moral Decay • Meet the Beat Alls • Helter Shelter • Power Lunch Season 4:Film Flam • All Chalked Up • Get Back Jojo • Him Diddle Riddle • Super Friends • Members Only • Nano of the North • Stray Bullet • Forced Kin • Knock It Off Season 5:Keen on Keane • Not So Awesome Blossom • Power-Noia • Monstra-City • Shut the Pup Up • Toast of the Town • Divide and Conquer • Burglar Alarmed • Shotgun Wedding • Save Mojo • Substitute Creature • The Boys Are Back in Town • See Me, Feel Me, Gnomey • Pee Pee G's • Boy Toys • Seed No Evil • The City of Clipsville • Lying Around the House • Bubble Boy • A Documentary • Girls Gone Mild • Curses • Bang for Your Buck • Silent Treatment • Sweet 'n' Sour Season 6:Prime Mates • Coupe D'Etat • Makes Zen to Me • Say Uncle • Reeking Havoc • Live & Let Dynamo • Mo' Linguish • Oops, I Did It Again • A Made Up Story • Little Miss Interprets • Night Mayor • Custody Battle • The City of Nutsville • Aspirations • That's Not My Baby • Simian Says • Sun Scream • The City of Frownsville • West in Pieces • Crazy Mixed Up Puffs • Mizzen in Action • Roughing It Up • What's the Big Idea? • Nuthin' Special • Neighbor Hood • I See a Funny Cartoon in Your Future • Octi-Gone Reboot:
