Mrs. Slate is a tall and stout cavewoman with fair skin, black eyes with glasses, red lips, thin black eyebrows, a big nose and hair that varies in color including blue in "Latin Lover", white in the episodes, "The Birthday Party" and "Moonlight and Maintenance", blonde in the spin-offs, The Flintstone Comedy Hour and The New Fred and Barney Show and brown in various episodes and in the television film, I Yabba-Dabba Do!.
In the episode, "The Birthday Party", she wears a green loin-cloth dress and a pearl necklace.
In the spin-offs, The Flintstone Comedy Hour, The New Fred and Barney Show and The Flintstone Comedy Show, she wears a purple loin-cloth, tube dress with black straps that tie around the back of her neck and a decorative stone sewn onto the front of the chest and white earrings.
- The Flintstones
- The Flintstone Comedy Hour
- The New Fred and Barney Show
- The Flintstone Comedy Show
- I Yabba-Dabba Do! (last appearance)