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Experiments and Inventions
S1E11B Lisa powering up her machine
S2E05A Lisa working on the antidote

This is a list of Lisa Loud's experiments and inventions, sorted by episodes from the Shorts, Season 1, and Season 2.

Season 1

Left in the Dark

Experiments

  • She gives Luan one of her Gloweos to make her glow in the dark during the blackout, but it was only a prototype.
  • The previous week, she performed an experiment that resulted in Leni's entire head bloating to enormous proportions, and breaking out in boils.

Inventions

  • Gloweos - a cookie that when consumed by the user, will make their body glow for a short time.

No Guts, No Glori

Experiments

  • She performs all sorts of experiments in her room under Lincoln's charge, one of which results in a creature with tentacles.

Inventions

  • Soap Machine - a machine that allows Lisa to clean up rooms within a few seconds.

A Tale of Two Tables

Inventions

  • Catapult - a miniature catapult made out of home materials that enables her to launch peas.

Project Loud House

Experiments

  • She tests her experimental skin pigment ointment on Leni by switching out her zit cream.
  • She also attempts to test a bloating potion on her, but Lincoln catches wind of this by testing it on Walt first.
  • She has a chemical about to explode. Lincoln stops it by adding dinitrotoluene, but it explodes anyway.

Inventions

  • Experimental skin pigment ointment - As the name suggests, it's an ointment that changes one's skin color when applied.
  • Expansion potion - When applied, it causes one to instantly expand their size.

Sound of Silence

Experiments

  • It is unknown what this experiment was about, as Lincoln didn't keep his promise to help her with it, and thus, it resulted in a deafening explosion that she tuned out with his earbuds.

Space Invader

Experiments

  • She researches Lucy and Lynn's bickering attitude toward each other, saying that they're "proving Charles Darwin correct".

Undie Pressure

Experiments

  • She studies the fecal matter of her siblings.

Linc or Swim

Experiments

  • She researches the chemicals used in the pool water.

Inventions

  • Urine detector - a liquid that eliminates all urine from bodies of water.

Changing the Baby

Experiments

  • She attempts to use Lily as a test subject for one, but Lincoln stops her in time.

Overnight Success

Experiments

  • She studies others' brainwaves on Friday nights. She does it to Clyde and fails to do it to Chad.

Inventions

  • Brainwave detector - A helmet to do as the name suggests.

Ties That Bind

Experiments

  • Unseen at the start of the episode, as an explosion can be seen coming from her room.

Invention

  • Flower maker - some chemical which makes flowers.
  • Gravity shoes - a pair of shoes which can walk in the ceiling.

Sleuth or Consequences

Experiments

  • She keeps a record of everyone's usage of the bathroom.

Butterfly Effect

Experiments

  • It is unknown what the purpose of this experiment was, but Lisa states Lincoln's clumsiness proved her hypothesis correct.

The Green House

Inventions

  • Electrical machine - unknown purpose, though Lincoln made it more energy efficient by using Lily's dirty diapers as a reliable energy source.

Along Came a Sister

Inventions

  • Ghost pepper flavored mouthwash - A very spicy mouthwash.

Chore and Peace

Inventions

  • Trashy - a heap of trash that gained sentient life.

Attention Deficit

Experiments

  • One experiment resulted in a teddy bear being given a radioactive glow, and she performs one at Clyde's house with sodium salicylate.

April Fools Rules

Inventions

  • Bomb shelter - used it to protect herself from Luan's pranking spree.

Cereal Offender

Experiments

  • She sits in one of the freezers in the frozen food section at the supermarket to test for the proper temperature to cryogenically freeze herself for the future.

Raw Deal

Experiments

  • She continuously tries to debunk Lucy's fortunes/predictions.
  • She presumably discovers a new owl/deer hybrid which she named "The Dowl", which turns out to be fake.

One of the Boys

Experiments

  • She gives Lincoln a dimensional watch to let him see what it would be like if he had 10 brothers instead of 10 sisters. (This was proven to be only a dream.)

Inventions

  • Dimensional watch - a watch that allows the wearer to be transported into any alternate reality.
    • This was not truly invented because, as mentioned above, it was only a dream.

A Tattler's Tale

Experiments

  • She once performed an experiment that destroyed her parents' bedspread.

Snow Bored

Experiments

  • She uses the snow day method to get her siblings to go back to school by barraging them with snowballs.

Inventions

  • Mr. Reinforced Titanium Alloy Arms - A robot Lisa created, which destroyed a snowman Lana created.
  • Snow guns - A bazooka like weapon that launches a large quantity of snow.
  • Indoor Snow - Snow she just brought into the house.
  • Snow Powered Tank - A tank used to melt snow to create a path to walk on.

Study Muffin

Experiments

  • She shows Lincoln how he can get Ms. DiMartino out of his line of sight by testing Lori on giving her Bobby's full name while distracting her with a picture of Hugh.

Season 2

11 Louds a Leapin'

Experiments

  • She explains why Santa can't exist.

Suite and Sour

Experiment

  • Lisa uses a chemical to disinfect the pool and room after three men use it. She later uses it for her parents as a hot tub.

Back in Black

Invention

  • Pizza-scented perfume - A perfume that would attract boys with the scent of pizza toppings. It has a heavy amount of anchovy scent.

Making the Grade

Inventions

  • Todd - A robot Lisa created for the robotics project. According to Lisa, it has laser eyes, and uses it to destroy anything "inferior".
  • Correction Collar - A white collar with a water sprayer to prevent her from being "smart."

Lock 'N' Loud

Experiments

  • She collects Lori and Leni's DNA samples.

Party Down

Invention

  • Chocolate fountain - A chocolate fountain. According to Lisa, it originally started as a nuclear fusion device, but she accidentally dropped her chocolate bar in it, resulting in it becoming the chocolate fountain it is now.

Room With a Feud

Invention

  • DNA Machine - It uses the Loud kids' DNA and other variables to calculate which 2 Loud kids should be roommates.

Experiment

  • Lisa left behind some chemicals in Lincoln's room when she switched rooms with him. Thus, the chemicals exploded.

Fool's Paradise

Invention

  • Cryogenic sleeping chamber - Whoever rests inside it will be put in an isolated and frozen state of sleep for a set time. Lisa suggested using this on Luan to prevent her Prankmageddon much to the shock of the other siblings.

Job Insecurity

Invention

  • Tracking chip - Planted on one's person to keep track of their locations at all times. Lisa has put this on her siblings and Mr. Grouse.

Garage Banned

Invention

  • Ultrasonic Mousetrap - It hypnotizes mice (and Leni) with hypnotic ultrasonic waves and brings them to the trap.

Health Kicked

Experiment

  • She has been studying her parents' problematic urination and defecation due to their poor health.

Lynner Takes All

Experiment

  • Lynn makes a chemical explosion before Lisa, who wasn't trying to make one, and her chemicals explode anyway.