Rock out with Ruff Ruffman and his brother Scruff as they sing about what they've learned about cooking from their cook-off competition. [3 min, 9 sec]

Explore kitchen chemistry as Ruff Ruffman learns that mixing the right ingredients matters when creating a colorful dessert. [5 min, 8 sec]

Explore kitchen chemistry as Ruff Ruffman competes with his brother Scruff to make the tastiest egg dish in the shape of a duck. Ruff quickly learns that liquids behave much differently than solids when poured into a pan. Will Ruff be...

Explore kitchen chemistry as Ruff Ruffman and his brother Scruff compete in a cook-off. [6 min, 16 sec]

Rock out with Ruff Ruffman and Fluff as they sing about the best materials. [2:23]

Explore material properties as Ruff Ruffman investigates to find the best material to make a rhino raincoat. [5:27]

Explore material properties as Ruff Ruffman tries to find the right material to transform Fluff the Rhino into Fluff the Dog. [4:08]

Explore material properties as Ruff Ruffman figures out how to fix Blossom's things. [4 min, 47 sec]

Explore material properties as Ruff Ruffman figures out how to keep a rhino from ruining his roommate's apartment. [7:31]

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to entertain a bored hamster. [4:26]

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to find out if you can build a chair from a newspaper. [4:59]