Bert Through the Years
From Muppet Wiki
The Evolution of Bert (1969-present)
| Image | As seen in | Year | Notes |
|---|---|---|---|
 | Sesame Street early Season 1 | 1969 | |
 | Sesame Street later Season 1 - Season 2 | 1970 | Bert's head shape is more refined, with a more flexible neck. He can scrunch his mouth. His eyebrows do not cover his eyes. |
 | Sesame Street Season 3 on | 1971-1976 | Bert gets eyebrow mechanism, allowing his brow to move up and down. His eyes are larger, and his colors more vibrant. |
 | Sesame Street | 1977-1981 | Bert's skin changes from blanket fleece to antron fleece. |
 | Sesame Street | 1998 | Publicity poser with more rounded eyebrow. |
| Predecessor Puppets and Planning | |||
 | Bert on Sesame Street | circa 1969 | Early sketches immediately established the contrast between Ernie's horizontal stripes and general look and Bert's vertical stripes and leaner appearance. |
