Adorably, Ruff is celebrating Chet’s birthday with help from the internet. Check out our latest addition to Ruff Ruffman: Humble Media Genius.
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Tag: Video
Our very own Jeff Bartell – designer for Arthur and many other kids projects – guides us through the hidden world of Thomas Edison.
With Ruff, Arthur, Martha Speaks and many of your other PBS KIDS favorites.
Astrophysicist Neil deGrasse Tyson guests on MARTHA SPEAKS.
