Science of Stupid - Season 5 Episode 5 الحلقة 5
A hard hat is to be worn and not caught painfully on your head, inflatables on water slides are just humiliating, and trying 12'o'clock wheelies often hurt, mostly for the bike.
- النوع: Documentary, Reality
- ستوديو: National Geographic
- الكلمة الرئيسية: educational, bloopers, popular science, based on tv series
- المصبوب: Ben Aaron
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