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The Elephant Seals of Año Nuevo

Along the rugged Northern California coast, Año Nuevo State Park harbors a thriving colony of elephant seals, where science and nature intertwine. For over 50 years, University of California Santa Cruz researchers, spanning three generations, have worked alongside seven generations of seals to better understand their life cycles and ocean health.
Season 17 Episode 1704 Length 26:42 Premiere: 11/01/25

Changing Seas

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Clips & Previews

Season 17 Episodes

The Elephant Seals of Año Nuevo
S17 E1704 Length 26:42 Premiere Date 11/01/25

Mystery of the Spinning Fish
S17 E1703 Length 26:42 Premiere Date 11/01/25

Whales in a Plastic Ocean
S17 E1702 Length 26:46 Premiere Date 11/01/25

Costa Rica's Surfing Paradise
S17 E1701 Length 26:46 Premiere Date 11/01/25

Costa Rica's Surfing Paradise | Changing Seas | Preview
Preview Length 04:54 Premiere Date 06/24/25

Whales in a Plastic Ocean | Changing Seas | Preview
Preview Length 02:59 Premiere Date 06/24/25

Mystery of the Spinning Fish | Changing Seas | Preview
Preview Length 04:11 Premiere Date 06/24/25

The Elephant Seals of Año Nuevo | Changing Seas | Preview
Preview Length 04:43 Premiere Date 06/24/25

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TV Schedules

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Upcoming

The Seals of Sable Island - S18 E2

Researchers investigate how iron transferred from mom to pup during lactation influences a gray seal pup's survival in Canada's Sable Island.

  • Thursday November 19, 2026 8:30 am ET on KET2
  • Thursday November 19, 2026 7:30 am CT on KET2

Engineering The Power of Waves - S18 E3

Engineers test artificial breakwaters and underwater energy converters to mitigate and harness the power of waves at the O.H. Hinsdale Wave Research Laboratory.

  • Thursday November 26, 2026 8:30 am ET on KET2
  • Thursday November 26, 2026 7:30 am CT on KET2

Getting Sharked: Search for Solutions - S18 E4

Researchers test "repellent" devices to try to keep sharks away from the catch of southeastern U.S. anglers.

  • Thursday December 3, 2026 8:30 am ET on KET2
  • Thursday December 3, 2026 7:30 am CT on KET2

Puerto Rico: Resilience in Action - S18 E1

Puerto Rico's fishing communities restore fisheries, protect endangered species and build climate resilience through collaboration.

  • Thursday December 10, 2026 8:30 am ET on KET2
  • Thursday December 10, 2026 7:30 am CT on KET2
Jump to Upcoming Airdates

Recent

Puerto Rico: Resilience in Action - S18 E1

  • Thursday November 12, 2026 8:30 am ET on KET2
  • Thursday November 12, 2026 7:30 am CT on KET2

Costa Rica's Surfing Paradise - S17 E1

  • Thursday November 5, 2026 8:30 am ET on KET2
  • Thursday November 5, 2026 7:30 am CT on KET2

Maui Aloha 'aina: From Mauka to Makai - S16 E3

  • Thursday October 29, 2026 8:30 am ET on KET2
  • Thursday October 29, 2026 7:30 am CT on KET2

Eagle Rays: Soaring on Spotted Wings - S16 E2

  • Thursday October 22, 2026 8:30 am ET on KET2
  • Thursday October 22, 2026 7:30 am CT on KET2

Ancient Adriatic: Croatia's Sunken History - S16 E1

  • Thursday October 15, 2026 8:30 am ET on KET2
  • Thursday October 15, 2026 7:30 am CT on KET2
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