Today's show is an interactive one. Although everyone is welcome to enjoy it, for safety reasons, we ask that you please stay within the yellow lines.

Type your text and hear it in the voice of Ruff Ruffman. Ruff Ruffman, the enthusiastic animated dog, is a star of PBS Kids shows. He first hosted "Fetch! with Ruff Ruffman," a reality game show where real kids tackled wacky challenges. Later, in "The Ruff Ruffman Show," he switched gears to science, guiding viewers through experiments and answering their questions. With his boundless energy and love of science, Ruff Ruffman entertains and educates young audiences.