Kat appears in "Lincoln Loud: Girl Guru", where she makes a brief appearance with Zach. She came to dislike him after his science experiment burnt off her hair braids.
Kat is a tall and slim pale-skinned girl. She has waist-long black hair. She wears a red shirt under a darker red collar shirt, a dark gray skirt with tan polka dots, long white socks and red slip-on shoes.