PBS television services from KTNWDT-TV, 31, Yakima, WA.

Yakima, WA KTNW PBS 31 A3 HD

Hiking Padre Island, the world's longest barrier island; encounters with an astronaut, falcons and the most endangered sea turtle in the world.

Chasing the Tide

Mission Critical

Matagorda Island, the traditional homeland of the Karankawa people and World War II training grounds; surfer Ellis Pickett advocates for the public's right to free and unrestricted access to Texas beaches.

Losing Ground

The Ghost Wolves of Galveston Island; the Karankawa Kadla, a group of Native Americans who were thought to be extinct.

Ghosts of Our Past

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Conservationists Chrissy and Jay Kleberg embark on an expedition along Texas' 370 miles of barrier islands.

S1 E6 | Mission Critical