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The History Hidden in Madagascar’s Underwater Caves

In Madagascar’s remote western desert, divers explore a hidden pool of water. Over 160 feet below the surface, this incredible underworld opens to over seven miles of connected tunnels and some of the largest underwater chambers in the world. Within these caves lies a graveyard carrying remains of now-extinct animals in Madagascar, including a lemur that once grew to the size of a gorilla.
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Clip Season 1 Episode 1 Length 03:06 Premiere: 09/16/20

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Clips & Previews

Season 1 Episodes

Hawaii
S1 E3 Length 54:39 Premiere Date 09/30/20

Borneo
S1 E2 Length 54:39 Premiere Date 09/23/20

Madagascar
S1 E1 Length 54:40 Premiere Date 09/16/20

Ring-Tailed Lemurs Battle Tough Terrain Searching for Food
Clip Length 02:02 Premiere Date 09/16/20

The Baobab Tree
Clip Length 03:47 Premiere Date 09/16/20

Lemurs Navigate the Grand Tsingy
Clip Length 03:47 Premiere Date 09/16/20

The History Hidden in Madagascar’s Underwater Caves
Clip Length 03:06 Premiere Date 09/16/20

Preview
Preview Length 00:30 Premiere Date 09/16/20

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Borneo: Islands of Wonder - S1 E2

Premiered On: 09/23/2020

A journey from Borneo's coral reefs, through jungles, to its mountainous heart, reveals it is no paradise, and the struggles to survive are the secret to a greater variety of life on the island.

  • Wednesday June 3, 2026 5:00 am ET on KET
  • Wednesday June 3, 2026 4:00 am CT on KET
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Recent

Hawaii: Islands of Wonder - S1 E3

  • Friday May 29, 2026 4:00 pm ET on KET
  • Friday May 29, 2026 3:00 pm CT on KET

Borneo: Islands of Wonder - S1 E2

  • Sunday May 31, 2026 4:00 am ET on KET
  • Sunday May 31, 2026 3:00 am CT on KET
  • Thursday May 28, 2026 4:00 pm ET on KET
  • Thursday May 28, 2026 3:00 pm CT on KET

Madagascar: Islands of Wonder - S1 E1

  • Saturday May 30, 2026 4:00 am ET on KET
  • Saturday May 30, 2026 3:00 am CT on KET
  • Wednesday May 27, 2026 4:00 pm ET on KET
  • Wednesday May 27, 2026 3:00 pm CT on KET
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