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Duck Quacks Don't Echo Season 2 Episode 4 - Richard Madeley, Jason Manford, Denise Van Outen

watch online Duck Quacks Don't Echo

Synopsis: Can dogs catch yawns from humans? Is it possible to sneeze with your eyes open? And do duck quacks indeed echo? Luckily, Lee Mack’s on hand to answer thes…

Air Date: September 22, 2014

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