1 Season
14 Episode
Duck Quacks Don't Echo - Season 1 Episode 9 Swearing Dulls Pain (2014)
Watch Duck Quacks Don't Echo - Season 1 Episode 9 Swearing Dulls Pain Full Episodes Online Free Streamings FMovies. Michael claims that swearing helps increase pain tolerance. And Seth has a test that's music to a gearhead's ears: Are Ferraris engineered to idle at the third and sixth harmonic? Tom's fact proves just how strange nature can be.
- Country : United States of America
- Genre : Documentary, Comedy
- Studio : National Geographic
- Keyword :
- Director :
- Cast : Tom Papa, Michael Ian Black, Seth Herzog