NOVA - Unknown - Season 42

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
S42E01	Big Bang Machine	January 14, 2015 PBS	60
S42E02	Sunken Ship Rescue	January 21, 2015 PBS	60
S42E03	Sinkholes—Buried Alive	January 28, 2015 PBS	60
S42E04	Colosseum: Roman Death Trap	February 11, 2015 PBS	60
S42E05	Petra: Lost City of Stone	February 18, 2015 PBS	60
S42E06	Hagia Sophia: Istanbul’s Ancient Mystery	February 25, 2015 PBS	60
S42E07	The Great Math Mystery	April 15, 2015 PBS	60
S42E08	Invisible Universe Revealed	April 22, 2015 PBS	60
S42E09	Nazi Attack on America	May 6, 2015 PBS	60
S42E10	Lethal Seas	May 13, 2015 PBS	60
S42E11	Chasing Pluto	July 15, 2015 PBS	60
S42E12	Nuclear Meltdown Disaster	July 29, 2015 PBS	60
S42E13	Dawn of Humanity	September 16, 2015 PBS	60
S42E14	Arctic Ghost Ship	September 23, 2015 PBS	60
S42E15	Secrets of Noah's Ark	October 7, 2015 PBS	60
S42E16	Cyberwar Threat	October 14, 2015 PBS	60
S42E17	Animal Mummies	October 28, 2015 PBS	60
S42E18	Making North America: Origins	November 4, 2015 PBS	60
S42E19	Making North America: Life	November 11, 2015 PBS	60
S42E20	Making North America: Human	November 18, 2015 PBS	60
S42E21	Inside Einstein's Mind season finale	November 25, 2015 PBS	60

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