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Ancient Desert Death Trap - S52 E17

Archaeologists investigate strange Stone Age megastructures in the Arabian desert, built by a mysterious people 9000 years ago.

• Sunday June 28, 2026 7:00 pm ET on KET2
• Sunday June 28, 2026 6:00 pm CT on KET2
• Tuesday June 30, 2026 1:00 am ET on KET2
• Tuesday June 30, 2026 12:00 am CT on KET2

Athens: Birth of Democracy - S53 E7

Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago. Mass graves and ancient ruins where tyrants were murdered shine new light on the birth of a revolutionary form of government.

• Wednesday July 1, 2026 8:00 pm ET on KET
• Wednesday July 1, 2026 7:00 pm CT on KET
• Thursday July 2, 2026 4:00 pm ET on KET
• Thursday July 2, 2026 3:00 pm CT on KET
• Friday July 3, 2026 1:00 am ET on KET
• Friday July 3, 2026 12:00 am CT on KET

Revolutionary War Weapons - S52 E7

American and British archaeologists and historians reveal the technology, innovation and luck that determined the outcomes of key battles of the Revolutionary War.

• Wednesday July 1, 2026 9:00 pm ET on KET
• Wednesday July 1, 2026 8:00 pm CT on KET
• Thursday July 2, 2026 5:00 pm ET on KET
• Thursday July 2, 2026 4:00 pm CT on KET
• Friday July 3, 2026 2:00 am ET on KET
• Friday July 3, 2026 1:00 am CT on KET
• Sunday July 5, 2026 7:00 pm ET on KET2
• Sunday July 5, 2026 6:00 pm CT on KET2
• Tuesday July 7, 2026 1:00 am ET on KET2
• Tuesday July 7, 2026 12:00 am CT on KET2

Black Hole Apocalypse - S45 E1

Premiered On: 01/10/2018

Join astrophysicist and novelist Janna Levin on a mind-blowing voyage to the frontiers of black hole science, which is shining new light on the most powerful and mysterious objects in the universe.

• Wednesday July 8, 2026 9:00 pm ET on KET
• Wednesday July 8, 2026 8:00 pm CT on KET
• Thursday July 9, 2026 5:00 pm ET on KET
• Thursday July 9, 2026 4:00 pm CT on KET
• Friday July 10, 2026 2:00 am ET on KET
• Friday July 10, 2026 1:00 am CT on KET
• Sunday July 12, 2026 7:00 pm ET on KET2
• Sunday July 12, 2026 6:00 pm CT on KET2
• Tuesday July 14, 2026 1:00 am ET on KET2
• Tuesday July 14, 2026 12:00 am CT on KET2

Black Hole Universe - S45 E2

Premiered On: 07/03/2019

Join astrophysicist Janna Levin on a mind-bending journey to the frontiers of black hole research. Discover how scientists may soon be able to "see" a black hole and are revealing new clues to the strangest and most extreme objects in the universe.

• Wednesday July 15, 2026 9:00 pm ET on KET
• Wednesday July 15, 2026 8:00 pm CT on KET
• Thursday July 16, 2026 5:00 pm ET on KET
• Thursday July 16, 2026 4:00 pm CT on KET
• Friday July 17, 2026 2:00 am ET on KET
• Friday July 17, 2026 1:00 am CT on KET
• Sunday July 19, 2026 7:00 pm ET on KET2
• Sunday July 19, 2026 6:00 pm CT on KET2
• Tuesday July 21, 2026 1:00 am ET on KET2
• Tuesday July 21, 2026 12:00 am CT on KET2

Chasing Pluto - S42 E13

Premiered On: 07/15/2015

The New Horizon's spacecraft will fly by and take the first detailed images of Pluto. It is the culmination of the spacecraft's nine-year, three-billion-mile journey.

• Wednesday July 22, 2026 9:00 pm ET on KET
• Wednesday July 22, 2026 8:00 pm CT on KET
• Thursday July 23, 2026 5:00 pm ET on KET
• Thursday July 23, 2026 4:00 pm CT on KET
• Friday July 24, 2026 2:00 am ET on KET
• Friday July 24, 2026 1:00 am CT on KET
• Sunday July 26, 2026 7:00 pm ET on KET2
• Sunday July 26, 2026 6:00 pm CT on KET2
• Tuesday July 28, 2026 1:00 am ET on KET2
• Tuesday July 28, 2026 12:00 am CT on KET2

Recent

Ancient Desert Death Trap - S52 E17

• Friday June 26, 2026 2:00 am ET on KET
• Friday June 26, 2026 1:00 am CT on KET
• Thursday June 25, 2026 5:00 pm ET on KET
• Thursday June 25, 2026 4:00 pm CT on KET
• Wednesday June 24, 2026 9:00 pm ET on KET
• Wednesday June 24, 2026 8:00 pm CT on KET

Secrets of the Forest - S52 E8

• Tuesday June 23, 2026 1:00 am ET on KET2
• Tuesday June 23, 2026 12:00 am CT on KET2
• Sunday June 21, 2026 7:00 pm ET on KET2
• Sunday June 21, 2026 6:00 pm CT on KET2
• Friday June 19, 2026 2:00 am ET on KET
• Friday June 19, 2026 1:00 am CT on KET
• Thursday June 18, 2026 5:00 pm ET on KET
• Thursday June 18, 2026 4:00 pm CT on KET
• Wednesday June 17, 2026 9:00 pm ET on KET
• Wednesday June 17, 2026 8:00 pm CT on KET

Alaskan Dinosaurs - S48 E21

• Tuesday June 16, 2026 1:00 am ET on KET2
• Tuesday June 16, 2026 12:00 am CT on KET2
• Sunday June 14, 2026 7:00 pm ET on KET2
• Sunday June 14, 2026 6:00 pm CT on KET2
• Friday June 12, 2026 2:00 am ET on KET
• Friday June 12, 2026 1:00 am CT on KET
• Thursday June 11, 2026 5:00 pm ET on KET
• Thursday June 11, 2026 4:00 pm CT on KET
• Wednesday June 10, 2026 9:00 pm ET on KET
• Wednesday June 10, 2026 8:00 pm CT on KET

Can Dogs Talk? - S53 E3

• Tuesday June 9, 2026 1:00 am ET on KET2
• Tuesday June 9, 2026 12:00 am CT on KET2
• Sunday June 7, 2026 7:00 pm ET on KET2
• Sunday June 7, 2026 6:00 pm CT on KET2

Great Mammoth Mystery - S49 E3

• Tuesday June 2, 2026 1:00 am ET on KET2
• Tuesday June 2, 2026 12:00 am CT on KET2
• Sunday May 31, 2026 7:00 pm ET on KET2
• Sunday May 31, 2026 6:00 pm CT on KET2
• Friday May 29, 2026 2:00 am ET on KET
• Friday May 29, 2026 1:00 am CT on KET
• Thursday May 28, 2026 5:00 pm ET on KET
• Thursday May 28, 2026 4:00 pm CT on KET
• Wednesday May 27, 2026 9:00 pm ET on KET
• Wednesday May 27, 2026 8:00 pm CT on KET

When Whales Could Walk - S51 E1

• Tuesday May 26, 2026 1:00 am ET on KET2
• Tuesday May 26, 2026 12:00 am CT on KET2