Episode 3
Watch the LIVE climax of Alaska’s summer feast as 300 million salmon journey upriver, facing long odds and hungry predators. Join the exploration deep into the wilds for Kodiak bears and elusive wolves, nesting eagles and more.
Similar Shows
Poster Image
![The Burren: Heart of Stone: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/18/211100-Fqdv1Zi-show-poster2x3-zrL37GM.jpg?itok=YWNcljP_)
The Burren: Heart of Stone
Science and Nature
Poster Image
![Return to the Wild: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/06/24/3558-1qfqCP0PWXnLzv1bDjlubg.jpg?itok=pHbcPt2C)
Return to the Wild
Science and Nature
Poster Image
![Insecta: Science that Stings: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/16/265559-JKE5n0m-show-poster2x3-VFGG54a.jpg?itok=0XV96uwI)
Insecta: Science that Stings
Science and Nature
Poster Image
![Vitals: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/191415-DaZ522A-show-poster2x3-dOm2jEG.jpg?itok=9yMM005N)
Vitals
Science and Nature
Poster Image
![Kingdoms of the Sky: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/3374-d9kp2zf-show-poster2x3-hUdCLg7.png?itok=ax4KuVTt)
Kingdoms of the Sky
Science and Nature
Poster Image
![The Invisible Shield: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/293797-2p6xET5-show-poster2x3-YgEtAfR.jpg?itok=zAMoXNEP)
The Invisible Shield
Science and Nature
Poster Image
![Human Footprint: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/267453-J64VCnV-show-poster2x3-FGrugb4.jpg?itok=TFzuGKFs)
Human Footprint
Science and Nature
Poster Image
![Phoenix Mars Mission: Onto the Ice: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/18/220473-HcFPS8A-show-poster2x3-UgeD0Qz.jpg?itok=OQL_EXHA)
Phoenix Mars Mission: Onto the Ice
Science and Nature
Poster Image
![Changing Planet: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/216072-cZUzd2E-show-poster2x3-VT6e3A3.jpg?itok=2WC9aiIS)
Changing Planet
Science and Nature
Poster Image
![Stellar: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/2288-alqhVHE-show-poster2x3-yG8TCqr.png?itok=qW0gIJLA)
Stellar
Science and Nature
WETA Passport
Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.