Relaxin' with Ruff FETCH! with Ruff Ruffman : Season 1 Episode 17
TV-Y PBS Kids 30m int(0)
Aired: June 26th, 2006 @ 12:00 AM EST on PBS Kids
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.