The Nature of Things - Unknown - Season 13

When available, episode names will be translated into your preferred language. Otherwise they will be shown using the series' origin language.

	Name	First Aired	Runtime
S13E01	Vanishing Peoples: Lacandons, The Mayas of Mexico	November 6, 1972 CBC	45
S13E02	The Sexes (1)	November 20, 1972 CBC	45
S13E03	The Sexes (2)	November 27, 1972 CBC	45
S13E04	Acupuncture	December 4, 1972 CBC	45
S13E05	Ice Lovers (R)	January 29, 1973 CBC	45
S13E06	Think Before You Eat	March 5, 1973 CBC	45
S13E07	Stockholm '72: Politics for Survival	March 12, 1973 CBC	45
S13E08	Cities for People	March 19, 1973 CBC	45
S13E09	Migration: Animals in Cycle	March 26, 1973 CBC	45
S13E10	Old Enough	April 2, 1973 CBC	45
S13E11	Recycling: The Garbage Ouroboros season finale	April 9, 1973 CBC	45

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