The Evolution of Baby Bop (1991 to present).
| Image | As seen in | Year | Notes |
|---|---|---|---|
 |
Barney in Concert | 1991-1992 | Baby Bop's first design when she debuted in Barney in Concert. She is taller than the kids here and about the size of Barney. |
 |
Barney's Imagination Island | 1993-1994 | Baby Bop becomes shorter, fitting her age of two (later three) years old. Like the older costume, her mouth doesn't move much. |
 |
Barney & Friends | 1995-1996 | Baby Bop shrinks a little bit more and her eyelashes get curved up. In addition, her bottom lip becomes movable. |
 |
Barney's Night Before Christmas | 1997-2009 | Baby Bop's eyelashes are raised higher and her eye lids aren't as visable as in the previous seasons. |
| Let's Go on Vacation | 2009 | Baby Bop's eye lashes are shorter and are closer to the top of her eye. |