Fetch with Ruff Ruffman Season 2 Episode 14 Episode Title:Tape Loops and Loop-the-LoopsEpisode Description:Madi and Mike head off to a recording studio to work with a professional musician to record an original song for Ruff's grandma. Bridget and Willie spent the day at Walt Disney World designing a roller coaster. They meet with two Imagineers, Bernie and Jason to learn how to design a coaster and about the forces and motion at work, including gravity and inertia. Then, they build a physical model to try out their ideas for a Hawaiian themed roller coaster. Finally, they program their coaster design and "ride" their creation in a full-motion, virtual reality simulator. Meanwhile, Rosario and Nina stayed in Studio G.