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Justine Flanner

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Justine Flanner[1] is a highly intelligent Middleton High School student. She is well-known for her stellar performances at science fairs.


Justine is very aware of just how smart she is, and as a result, is also aware how much smarter she is than most other high school students. Therefore, she does not expect many people her age to understand or appreciate her work in science. Justine tends to be slightly conceited and considers herself superior because of her intelligence, although since even established, experienced scientists are humbled by her work, Justine's opinion of herself is not exactly without merit.


Justine is a very intelligent and gifted scientist. As her reputation more than impresses rocket scientist Professor Allenford, Justine is most likely well on her way to becoming yet another of Middleton's resident geniuses.


Justine made multiple breakthroughs in particle physics, most of them apparently in eighth grade. Mr. Barkin assigned Justine to be Kim Possible's science project partner. Excited at the thought of having such a brilliant partner, Kim was eager to help out. Justine, however, made it very clear that she intended to do all of the work alone. A mission to stop a rampaging "dino-thing" created by Dr. Drakken and DNAmy presented Kim with a perfect chance to test out Justine's science project: a kinematic continuum disruptor. Using the Kimmunicator's batteries as a power source, the disruptor opened a wormhole that dragged the creature inside, effectively saving Middleton. Unfortunately, Mr. Barkin did not believe the machine could do what Justine claimed it could, and activated it in the middle of the school, unleashing the dinosaur once again.



Justine initially assumes that Kim will be of no help to her, and wants nothing to do with her. Kim takes this as an insult, and manages to impress Justine through her sheer determination to be of help.


Justine's typical outfit contains various shades of blue: dark blue headband, light blue blouse with white trim, light & dark blue checkered skirt, white knee socks, and black shoes.


  • Homemade kinematic continuum disruptor


Kim: So, Justine, tell me more about your project idea. Justine: Uh, yeah. It's highly technical. Kim: Try me. I'm here to help. Justine: Here's your to-do list. Kim: It's blank. Justine: Exactly. During the project, disappear and don't bother me. The day of the presentation, show up and smile.


  • In addition to holding both a Bachelors and PH.D in neuroscience in real life, Justine's voice actor also stars onThe Big Bang Theory as Sheldon Cooper's girl friend, Doctor Amy Farrah Fowler, a neurobiologist whose test subjects are mainly monkeys.

Behind the Scenes

Voice Actor/Actress

Justine Flanner is voiced by Mayim Bialik[2][3].

Episode Appearances




v - e - d
Kim Poss

Kim Possible | Kim Possible: What's the Switch? | Kim Possible: Kimmunicator | Kim Possible: Revenge of Monkey Fist | Kim Possible 2: Drakken's Demise | Kim Possible 3: Team Possible | Kim Possible: Global Gemini | Lilo and Stitch: The Series | Phineas and Ferb | Kim Possible World Showcase Adventure


Bueno Nacho | Showdown at Camp Wannaweep | The New Ron | Downhill | Killigan's Island | Monkey Buisness | Attack of the Killer Bebes | Royal Pain | Tweeb Trouble | Extreme | Grudge Match | Cloned | Code Word: Kim | The Kim Possible Files | Save the World Kit | Pick a Villain!: Badical Battles | Pick a Villain!: Game On! | Pick a Villain!: Masters of Mayhem | Pick a Villain!: So Not the Drama!

Disney Parks

Kim Possible World Showcase Adventure


Heroes: Kim Possible | Ron Stoppable | Rufus | Wade | Dr. Ann Possible | Dr. James Possible | Jim and Tim Possible | Mr. Stoppable | Mrs. Stoppable | Hana Stoppable | Monique | Steve Barkin | Bonnie Rockwaller | Ned | Nana Possible | Team Go | Martin Smarty | Artie Smarty | Team Impossible | Betty Director | Cousin Larry | Vivian Francis Porter | Felix Renton | Zita Flores | Master Sensei | Yori | Slim Possible | Joss Possible | Yono | Mego | Hego | Wego Twins | Steel Toe | Pain King | Professor Acari | Connie Rockwaller | Lonnie Rockwaller | Mrs. Rockwaller | Tara | Jessica | Hope | Marcella | Liz | Crystal | Franklin Barkin | Wayne | Shaun | Reuben Stoppable | Vinnie | Big Mike | Mr. McHenry | Junior | Prince Wally | Wanda Wong | Toshimiru | Alan Platt | Akute | Officer Hobble | Amelia | Pop Pop Porter | Kyoko Yoshiko | Nakasumi-San | Timothy North | SADI | Middleton High School Cheerleaders | Will Du | Cyrus Bortel | Oh Boyz | Roachie
Villians: Dr. Drakken | Shego | Monkey Fist | Duff Killigan | Señor Senior, Senior | Señor Senior, Junior | Amy Hall | Gil Moss | Camille Leon | Frugal Lucre | Bebe | Adrena Lynn | Gemini | Professor Dementor | Fashionistas | Warmonga | Warhok | Edward Lipsky | Falsetto Jones | Nanny Maim | Hank Perkins | Stone Gorilla | Jackie the Jackal | Aviarius | Fukushima | Knights of Rodegan | Malcolm Nevious | Electronique


Season One: Crush | Sink or Swim | The New Ron | Tick-Tick-Tick | Downhill | Bueno Nacho | Number One | Mind Games | Attack of the Killer Bebes | Royal Pain | Coach Possible | Pain King vs. Cleopatra | Monkey Fist Strikes | October 31st | All the News | Kimitation Nation | The Twin Factor | Animal Attraction | Monkey Ninjas in Space | Ron the Man | Low Budget
Season Two: Naked Genius | Grudge Match | Two to Tutor | The Ron Factor | Car Trouble | Rufus in Show | Adventures in Rufus-Sitting | Job Unfair | The Golden Years | Virtu-Ron | The Fearless Ferret | Exchange | Rufus vs. Commodore Puddles | Day of the Snowmen | A Sitch in Time | A Very Possible Christmas | Queen Bebe | Hidden Talent | Return to Camp Wannaweep | Go Team Go | The Full Monkey | Blush | Partners | Oh Boyz | Sick Day | The Truth Hurts | Mother's Day | Motor Ed | Ron Millionaire | Triple S | Rewriting History
Season Three: Steal Wheels | Emotion Sickness | Bonding | Bad Boy | Showdown at the Crooked D | Dimension Twist | So the Drama | Overdue | Roachie | Rappin' Drakken | Team Impossible | Gorilla Fist | And the Mole Rat Will Be CGI
Season Four: Ill Suited | The Big Job | Trading Faces | The Cupid Effect | Car Alarm | Mad Dogs and Aliens | Grande Size Me | Clothes Minded | Big Bother | Fashion Victim | Odds Man In | Stop Team Go | Cap'n Drakken | Mathter and Fervent | The Mentor of Our Discontent | Oh No! Yono! | Clean Slate | Homecoming Upset | Chasing Rufus | Nursery Crimes | Larry's Birthday | Graduation


SADI | Neuro-Compliance Chip | Lotus Blade | Kimmunicator | Silver Cutlass | The Attitudinator | Amulet of the Monkey King | Molecular Muscle Enhancer | Naco | Diablo Sauce | Giant Laser Drill | Pop Pop's Mini Corn Dogs | Pop Pop's Blimp


Middleton | Middleton High School | Middleton Mall | Bueno Nacho | Smarty Mart | Possible House | Stoppable House | Club Banana | Middleton Space Center | Middleton Medical Center | Camp Wannaweep | Yamanouchi Ninja School | Forbidden City Museum | Pickle on a Pike | Middleton Institute of Science and Technology | Middleton Magnetic Institute | Middleton Geological Center | Middleton Motor Lodge | University of Upperton | Canada | Tokyo | Japan | Port Mystic Cove Haven


Call Me, Beep Me! | Could it Be | Rappin' Drakken | Naked Mole Rap | Say The Word | Pop Pop's Mini Corn Dogs (song) | It's Just You

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