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Fetch! with Ruff Ruffman - Season 1 Episode 17 Relaxin' with Ruff

Trailer
Ruff decides to calm down from the stresses of running a show. The kids learn to relax with yoga and to calculate heart rate (pulses in 15 sec * 4). Next, they mathematically measure their "fear factor" at Canobie Lake Park, an amusement park in New Hampshire.

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Runtime: 30:14 Min

Quality: HD

First Air Date: May 29, 2006

Last Air Date: Nov 04, 2010

Episode: 100 Episode

Season: 5 Season

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