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What Photosynthesis Looks Like Underwater

When plants photosynthesize underwater, they release oxygen as little air bubbles that float to the surface. Where the plants are dense, it can create sea of fizzing bubbles.
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Clip Season 1 Episode 2 Length 02:17 Premiere: 07/13/22

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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

What Photosynthesis Looks Like Underwater
Clip Length 02:17 Premiere Date 07/13/22

How the Giant Water Lily Dominates
Clip Length 02:22 Premiere Date 07/13/22

How Venus Flytraps Count
Clip Length 02:50 Premiere Date 07/13/22

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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Human Worlds - S1 E5

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

Desert Worlds - S1 E4

  • Tuesday April 28, 2026 4:00 am ET on KET2
  • Tuesday April 28, 2026 3:00 am CT on KET2
  • Sunday April 26, 2026 10:00 pm ET on KET2
  • Sunday April 26, 2026 9:00 pm CT on KET2

Seasonal Worlds - S1 E3

  • Tuesday April 21, 2026 4:00 am ET on KET2
  • Tuesday April 21, 2026 3:00 am CT on KET2
  • Sunday April 19, 2026 10:00 pm ET on KET2
  • Sunday April 19, 2026 9:00 pm CT on KET2

Water Worlds - S1 E2

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