The Nature of Things - Unknown - Season 4

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
S04E01	Einstein, Man & Mathematician	May 5, 1964 CBC	45
S04E02	About the Size of It	May 12, 1964 CBC	45
S04E03	Standards for Comparison	May 19, 1964 CBC	45
S04E04	Excursion Into Hell	May 26, 1964 CBC	45
S04E05	Surgery for Parkinson's Disease	June 2, 1964 CBC	45
S04E06	Science in Sports	June 9, 1964 CBC	45
S04E07	Lasers	June 30, 1964 CBC	45
S04E08	Blood, Sea and Tears	July 7, 1964 CBC	45
S04E09	Cartography	July 14, 1964 CBC	45
S04E10	The World of Water	July 21, 1964 CBC	45
S04E11	Immunology season finale	August 4, 1964 CBC	45

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