|Cartoon debut||"Arthur's Eyes"|
Despite making recurring appearances throughout the series, she has only said 'Having fun!', 'Yay', 'Eww' and 'Wahoo'.
3rd Grade Female Cat is a tanned cat that wears a red jacket with a single gold stripe on the sleeves and near the bottom of the jacket, a white shirt underneath her jacket, beige khakis, and red and white shoes.
She wears rectangular lensed glasses with the frame of the glasses being gold colored and she has long red hair. She also wears a beige maillot, which was first shown in the episode "D.W.'s Backpack Mishap".
- She also bears a striking resemblance to Aloysius Zimmerplotz, but is not the same person, although he could be related to her.
- She plays the clarinet in the Lakewood Elementary Band.
- She reads Henry Skreever.
- She was a tryout for Arthur's band.
- She has been to a You Stink concert.
- She won the "Little Miss Crocus" beauty pageant in the episode "Little Miss Meanie".
This list is incomplete. Please add to it if you know any more appearances.
- Arthur's Eyes (episode)
- Arthur's Substitute Teacher Trouble
- Elwood City Turns 100!
- D.W.'s Backpack Mishap
- Thanks a Lot, Binky
- Little Miss Meanie