1 Temporada
26 Episodio
Temporada
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1 - 1
31 Years Before the Wheel
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1 - 2
21007 Years Before Soccer
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1 - 3
22405 Years Before Bottled Water
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1 - 4
23506 Years Before Rocket Science
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1 - 5
2 Years Before Bow and Arrows
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1 - 6
25009 Years Before Music
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1 - 7
28314 Years Before Commercials
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1 - 8
26103 Years Before Fitness
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1 - 9
23111 Years Before Love
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1 - 10
29412 Years Before Dual Flush Toilets
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1 - 11
64 Years Before the Soup Plate
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1 - 12
28416 Years Before the Family Doctor
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1 - 13
? Years Before Common Sense
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1 - 14
20614 Years Before Cheap Junk
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1 - 15
21415 Years Before Neighbourhood
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1 - 16
188116 Years Before the Barber Shop
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1 - 17
20517 Years Before Democracy
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1 - 18
23819 Years Before Diving
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1 - 19
20 Years Before Dance
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1 - 20
20321 Before Traffic
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1 - 21
26103 Years Before the Greenhouse Effect
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1 - 22
21023 Years Before the Aeroplane
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1 - 23
27326 Years Before Crossing Rivers
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1 - 24
22228 Years Before Music Videos
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1 - 25
247729 Years Before a Good Night's Sleep
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1 - 26
24130 Years Before Superstition
