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Human Worlds

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Season 1 Episodes

Human Worlds
S1 E5 Length 55:55 Premiere Date 08/03/22

Desert Worlds
S1 E4 Length 55:55 Premiere Date 07/27/22

Seasonal Worlds
S1 E3 Length 55:55 Premiere Date 07/20/22

Water Worlds
S1 E2 Length 55:55 Premiere Date 07/13/22

Tropical Worlds
S1 E1 Length 55:54 Premiere Date 07/06/22

How Do You Pollinate 40 Million Almond Trees?
Clip Length 02:33 Premiere Date 08/03/22

One Sharpshooter Way to Stop an Invasive Plant
Clip Length 02:20 Premiere Date 08/03/22

How "Weeds" Grow in the Sidewalk
Clip Length 02:32 Premiere Date 08/03/22

Seeds that Literally Run Away
Clip Length 02:27 Premiere Date 08/03/22

The Green Planet - Teaser
Preview Length 00:30 Premiere Date 07/06/22

Official Preview
Preview Length 00:30 Premiere Date 07/06/22

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Tropical Worlds - S1 E1

Sir David Attenborough takes a plant's-eye view of life in a rainforest, a world of stunning beauty but also fierce competition.

  • Sunday April 5, 2026 10:00 pm ET on KET2
  • Sunday April 5, 2026 9:00 pm CT on KET2
  • Tuesday April 7, 2026 4:00 am ET on KET2
  • Tuesday April 7, 2026 3:00 am CT on KET2

Water Worlds - S1 E2

Sir David Attenborough discovers bizarre and beautiful water plants, which use nature's super-glue, counting, and killer spikes to get a leaf up. Some escape from animals by rolling away while others create bubbles in a magical river in Brazil.

  • Sunday April 12, 2026 10:00 pm ET on KET2
  • Sunday April 12, 2026 9:00 pm CT on KET2
  • Tuesday April 14, 2026 4:00 am ET on KET2
  • Tuesday April 14, 2026 3:00 am CT on KET2

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