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Mathter and Fervent

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"Mathter and Fervent" is the seventy-ninth episode of Kim Possible.


A freak altercation with Team Go's number-focused foe, the Mathter, leaves Ron affected by his power. Now, Ron's destroying everything he touches, and Kim and Hego need to do something. Meanwhile, Ron's dad is trying to prove himself to his son that he can be as much a hero to him as Kim.



  • It was not a member of Team Go or Team Possible who defeated the Mathter, but actually Mr. Stoppable, Ron's father, who has been named "Actuary of the Year", who was the only one present able to defeat the Mathter in his own infinity dome.
  • When Ron called his father a hero, it gave Mr. Stoppable the confidence needed in order to defeat the Mathter, and to save his son.
  • In this episode, Kim is the second female to be seen putting on nail polish, the first is Shego in Odds Man In and Steal Wheels.


  • If Rufus was in Ron's pocket, when the Mathter affixed the ray on Ron, how come he is not antimatter as well?
  • When the Mathter was affixing his attention onto Ron in the parking lot, Rufus fell out of Ron's pocket. Yet after the Mathter left and Hego was talking to Ron and Kim, we see Rufus in Ron's pocket. Then after things are blowing up, in the next scene, Ron is in an antimatter ball and Rufus is not in one at all.
    • Rufus is alive, he can move in and out of his own accord.
  • When the Mathter was attacking Go City, where he encountered Hego, Kim, and Ron, no one in that entire scene even mentioned Ron Stoppable's name, yet the Mathter knew the following information about Ron by the next scene:
    • Ronald Stoppable's full name, address, workplace, and school. The question is how did he find out this information when all he had to go on was Ron's appearance.
      • Do not underestimate Ron's ability to leave a mark on the world. He was the sidekick of a world-famous heroine, personally covered at least once in Middleton news prior to that point, a published writer, and by then had helped save Go City twice and likely appeared in their own news archives. Any of those could match Ron's picture to his name, identify him as Kim's sidekick, and list his school. Ron would also have a driver's license, which would have his address. He might have had an employee ID card with the same, and if not, with an address you could walk right up to their mailbox and go through it. Keep in mind the Mathter's methods of finding all this were likely not legal.
  • When Ron bumped into the fire hydrant, causing it to explode, he felt the water, which made him comment on it being wet, but should not the water also explode on contact?.
  • In Go Team Go, Hego mentioned that only a member of Team Go can activate the door for it to open. How can Kim and Ron just walk in, while Hego, who is the only one inside the tower, is dancing and singing to an Oh Boyz song. They should not have been able to enter, unless he pressed the button in order to open the door.
    • This "rule" was proven inaccurate in that very same episode. What Hego should have said was that only a person with a Team Go glow can open the door from the outside. But there are at least three possibilities:
      • Kim and Ron, as Team Go's allies, were added to the system as exceptions to the glow rule during their first visit.
      • Kim and Ron just broke in. The door is the only known security measure, Kim found an obvious hole in their security during her first visit, and Wade has gotten them into far more secure places.
      • It was not actually shown that the door was shut at the time. One of the other members might have left it open in their hurry to leave for the cruise.
  • In the scene where Kim tells Hego that he might want to work on his timing, the Mathter's calculaser is not seen on the ground after Kim kicked it out of his hand, yet the next time it was shown, in the same exact scene, his calculaser is right by him for him to pick up.


  • Hego is singing and dancing to an Oh Boyz song.

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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