Image Episode(s) Description
Her pajamas are green, have a buttoned top and bottoms that go down to her feet.
" No Guts, No Glori"
She wears a pair of safety goggles and a safety apron whilst performing an experiment but ends up being singed from the explosion.
" In Tents Debate"
Like Luna, Luan, Lynn and Lana, she wears an udder hat to represent their choice of Dairyland for their family vacation, and encourage Lincoln to pick it.
" Picture Perfect"
Like the rest of her siblings and the pets, she wears a red sweater for Lincoln's "perfect" picture. She also wears Leni's sunglasses.
" Linc or Swim"
Her swimwear consists of a green one piece suit, with goggles, and a snorkel.
" Butterfly Effect"
When Lincoln imagines what would happen if he didn't tell her the truth, she gets a job at Flip's Food & Fuel and has a uniform consisting of a red jumpsuit and cap after she quit her knowledgeable ways when Leni became even more intelligent than her.
" The Green House"
Like the rest of her sisters, she ends up wearing a potato sack when the house is without power.
" For Bros About to Rock"
In a flashback to her first opera being ruined by Luna, she wears an elegant emerald green dress.
" April Fools Rules"
When the family are preparing to defend themselves from Luan's pranks, Lisa is seen wearing an army helmet and carrying army supplies.
" Cover Girls"
When Pop-Pop wants to video chat with his grandchildren, Lisa first tries dressing up as a combo of Lucy and Lana that she calls "Lancy".
Then she dresses up as Luan. When their parents found out about their little charade, their punishment was to go about their tasks while still dressed as the siblings they covered. She had to continue her academic speech in her Luan costume, but her stick pops flowers out and the gag flowers on her costume pour water on the audience, ruining her speech.
" Attention Deficit"
Lisa is shown wearing a yellow chemical hazmat suit, with a red and grey gas mask, teal gloves, and black boots.
" Raw Deal"
Lisa was wearing khaki trousers and black boots during fishing.
" A Tattler's Tale"
She is seen wearing a dark green beret with a feather, along with her normal outfit.
" Snow Bored"
She wears a light green beret, white goggles with yellow lenses, a light green jacket with matching pants, white gloves, and black boots. She is seen wearing these whenever she's outside.
" One Flu Over the Loud House"
Lisa wears a red headband over her normal outfit.
When she researches the upcoming tornado, Lisa wears a yellow hat and raincoat.
When reenacting the pioneer days with her siblings, she still wears her pants and shoes, but she now wears a white jacket, a green vest, a black Western bow tie, and a tan hat with a green band, which seem to resemble a snake oil salesman. She even wears small glasses in front of her normal glasses.
" Suite and Sour"
Lisa wears her swimwear from "Linc or Swim", but also has a pale blue messenger bag with a periwinkle dot on it over her shoulder.
" Making the Grade"
Lisa wears a white lab coat while working on her strep throat antidote.
Lisa does not wear her glasses.
Lisa does not wear her glasses and wears her hair in a different style. She also adds a gray and white metal collar and a pea green hair barrette.
Her night attire is the same as the one from Season One, except there's a nightcap of the same color and white bunny slippers are added.
" Cheater by the Dozen
Lisa wears a blue-gray beanie.
" No Such Luck"
Lisa wears her swimwear from "Linc or Swim" and "Suite and Sour".
" Party Down"
Lisa wears a green and blue party hat.
" Pulp Friction"
She cosplays as the counter during Lincoln and Clyde's superhero fantasy.
" Potty Mouth"
Lisa wears teal headphones.
Lisa wears a blue surgeon's outfit and white shoes.
Lisa's head is bald underneath her hair, which is actually a wig.
Lisa is bald and has no teeth after removing her wig and dentures.
Lisa only wore a white diaper to disguise herself as Lily in order to fool Dr. Shuttleworth.
" Room With a Feud"
Lisa's glasses are shattered.
Lisa's experiment made her bald, and her brain grew and started pulsating green so strong, it's visible.
Lisa wears a long white lab coat over her clothes and blue gloves.
" Health Kicked"
During her Tai Chi session, Lisa wears a traditional, white-colored Tai Chi outfit.
" Future Tense"
Lisa is wearing a yellow traffic vest.
Later, Lisa is wearing a blue smock after returning from the ceramics studio.
" Yes Man"
Lisa wears a SMOOCH outfit.
" Friend or Faux?"
Lisa wears a lab coat with blue goggles and gloves.
" No Laughing Matter"
Lisa wears a gas mask just in case Luan pelts her with a dessert.
Lisa wears a kangaroo outfit for Halloween.
" Deuces Wild!"
She cosplays as "Card Counter" during Lincoln and Clyde's superhero fantasy.