Sierra Clark was born in 1998
Joining Baby Einstein
Sierra's second appearance was in Baby Bach, where she appeared in several scenes. The first was when she did peek-a-boo, the second was the same, the third she played a toy trumpet and did peek-a-boo, the fourth the same. Then, for the final part, she danced with her sister. She was 1 year old when she appeared Baby Bach.
She appeared in Baby Shakespeare singing the alphabet. At the end, before the credits, she was dancing in a green, long-sleeved shirt. She was 2 years old when she appeared Baby Shakepeare.
In Baby Van Gogh, she appeared in 2 sections. The first, The Yellow section, was where, in one of the scenes, she went up to a flower and smelled it. At the end of the yellow video, she licked a lemon and said, "Yellow." The second and final section for her was The Purple section, where, in one of the scenes, she caught bubbles with Mia Mattheis. She was 2 years old when she appeared Baby Van Gogh .
She appeared in Neighborhood Animals, playing a joke on a Bumblebee puppet. She was 3 years old when she appeared Neighborhood Animals.
Her final appearance was Baby Beethoven, where she played on a drum. At the end, she played the violin and as the song ends, the audience cheering sound effect. She was 4 years old when she appeared Baby Beethoven
Sierra, Aspen, and Julie Clark live in Denver, Colorado.