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S44E1

Walrus: Life on Thin Ice

Premiere: 10/22/2025 | 0:30 |

Follow a paleontologist on an Arctic adventure to uncover the hidden lives of walrus and the threats they face as climate change shrinks the sea ice.

Premiere: 10/22/2025
PBS   •   PBS App

About the Episode

The walrus is one of the Arctic’s most enigmatic animals. With three-foot long tusks and a droopy mustache, everyone knows what these marine mammals look like, but few ever see them in the wild. For Kirk Johnson, a paleontologist and Sant Director of the Smithsonian National Museum of Natural History, the walrus has been a creature close to his heart for 40 years.

Most of the world’s walrus, about 250,000 of them, live in the frigid seas between Russia and Alaska. Johnson embarks on an Arctic adventure to uncover the hidden lives of these lumbering giants and the threats they face as climate change shrinks the sea ice. He follows the fate of one young orphan, who is rescued and rehabilitated at the Alaska Sealife Center. What kind of future lies ahead for her, and for the walruses in the wild?

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PRODUCTION CREDITS

PRESENTER
KIRK JOHNSON

DIRECTED BY
DAVID DUGAN AND ALEX TATE

PRODUCER
ALEX TATE

EXECUTIVE PRODUCER
DAVID DUGAN

EDITOR
CASSANDRA ROBERTS

ASSISTANT PRODUCER
RUTH HARRIES

DIRECTOR OF PHOTOGRAPHY
GEORGE WOODCOCK

DRONE AND SOUND OPERATOR
EWAN DRYBURGH

ADDITIONAL PHOTOGRAPHY
DAVID ALLEN
MARK EMERY

ADDITIONAL SOUND
MIKE FITZGERALD

LINE PRODUCER
FARNE SINCLAIR

PRODUCTION MANAGER (ALASKA SHOOTS)
JULIE WILKINSON

PRODUCTION COORDINATOR
SOPHIE HADLEY

COMPOSER
MAX DE WARDENER

GRAPHIC DESIGN & ANIMATION
DANNY CARR

LOCATION ASSISTANCE
ALASKA DEPARTMENT OF FISH AND GAME
ANDREW LEE
KATMAI NATIONAL PARK, NATIONAL PARK SERVICE, U.S. DEPARTMENT OF INTERIOR
KODIAK ISLAND EXPEDITIONS
SAN DIEGO NATURAL HISTORY MUSEUM
SEAWORLD ORLANDO
SEAWORLD SAN DIEGO
SHAUNTEL BRUNER-ALVANNA
SMITHSONIAN INSTITUTE
STATE OF ALASKA DEPARTMENT OF NATURAL RESOURCES

POST PRODUCTION MANAGER
PHILIP MICHAEL

SENIOR EDIT ASSISTANT
JOHN BURKE

ONLINE EDITOR
ANDREW FISUN

COLORIST
EMILY RUSSUL SAIB

AUDIO MIX
ANDY COLES

FOR WINDFALL FILMS LTD

MANAGING DIRECTOR
ALLISON TODD

HEAD OF PRODUCTION
MARIA FRENCH

HEAD OF DEVELOPMENT
LEESA RUMLEY

BUSINESS AFFAIRS
KAREN SHIPWAY

PRODUCTION ACCOUNTANTS
ALKEZ RHULE
SRIJIT BHAUMICK

ARCHIVAL MATERIAL
45 NORTH FILMS / NATUREFOOTAGE
TIME-LAPSE VIDEOS/ALASKA DEPARTMENT OF FISH AND GAME (ADF&G) 2024
BLACK WHALE PICTURES / BARBA
DIANE OKONEK
DUNCAN CLARK
EMILIANO CIMOLI
EXPLORE ANNENBERG LLC
GIANT SCREEN FILMS
GÖRAN EHLMÉ
JAPAN UNDERWATER FILMS
JEAN CHARLES GRANJON / NATUREFOOTAGE
JOHN CANNON
KAITI GRANT, ALASKA SEALIFE CENTER
KIRK JOHNSON
MARK EMERY
RALPH A. CLEVENGER
RICHARD SCHIMSCHAT
RISE AND SHINE WORLD SALES / MAXIM ARBUGAEV, EVGENIA ARBUGAEVA
SHUTTERSTOCK
WATKINS MARINE MAMMAL SOUND DATABASE / NEW BEDFORD WHALING MUSEUM
ZATZWORKS, INC. / NATUREFOOTAGE

Rehabilitation Activities at the Alaska SeaLife Center permitted by USFWS LOA-PER0051451

Marine Mammal Photography permitted by U.S. Fish and Wildlife Service PER9061181

The U.S. Fish & Wildlife Service is a Federal agency dedicated to conserving fish, wildlife and their habitats for the continuing benefit of the American people. The views expressed in this production do not necessarily represent the views of the U.S. Fish and Wildlife Service nor should any products or positions be perceived as being endorsed by the U.S. Fish and Wildlife Service.

SPECIAL THANKS
ALASKA SEALIFE CENTER

ORIGINAL EPISODE PRODUCTION FUNDING PROVIDED IN PART BY
Bradley L. Goldberg Family Foundation

ORIGINAL SERIES PRODUCTION FUNDING PROVIDED IN PART BY
Arnhold Foundation
Sue and Edgar Wachenheim III
The Fairweather Foundation
Charles Rosenblum
Kathy Chiao and Ken Hao
Sarah and Sandra Lyu
The Lillian Goldman Charitable Trust
Dr. George Stanley and Sandra Caruso
Kate W. Cassidy Foundation
Filomen M. D’Agostino Foundation
Gregg Peters Monsees Foundation
Koo and Patricia Yuen
Seton J. Melvin
Sandra Atlas Bass

FOR NATURE

SERIES EDITOR
JANET HESS

SENIOR PRODUCER
LAURA METZGER LYNCH

SUPERVISING PRODUCER
JAYNE JUN

ASSOCIATE PRODUCER
JAMES F. BURKE

LEGAL COUNSEL
BLANCHE ROBERTSON

DIGITAL LEAD
DANIELLE BROZA

DIGITAL PRODUCER
AMANDA SCHMIDT

SOCIAL MEDIA EDITOR
KAREN HO

AUDIENCE ENGAGEMENT
CHELSEY SAATKAMP

BUDGET CONTROLLER
JAYNE LISI

OFFLINE EDITOR
PATRICK KRASS

ONLINE EDITOR
STACEY DOUGLASS MOVERLEY

RE-RECORDING MIXER
JON BERMAN

SERIES PRODUCER
BILL MURPHY

EXECUTIVE PRODUCER
FRED KAUFMAN

A WINDFALL FILMS PRODUCTION IN ASSOCIATION WITH PBS AND THE WNET GROUP

THIS PROGRAM WAS PRODUCED BY THIRTEEN PRODUCTIONS LLC, WHICH IS SOLELY RESPONSIBLE FOR ITS CONTENT.

© 2025 WINDFALL FILMS
ALL RIGHTS RESERVED

WALRUS: LIFE ON THIN ICE ADDITIONAL MATERIAL
© 2025 THIRTEEN PRODUCTIONS LLC
ALL RIGHTS RESERVED

FUNDING

Support for Nature—Walrus: Life on Thin Ice is provided in part by Bradley L. Goldberg Family Foundation. Series funding for Nature is made possible in part by The Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, The Fairweather Foundation, Charles Rosenblum, Kathy Chiao and Ken Hao, Sarah and Sandra Lyu in memory of Seung and Dorothy Lyu, Lillian Goldman Charitable Trust, Dr. George Stanley and Sandra Caruso, Kate W. Cassidy Foundation, Filomen M. D’Agostino Foundation, Gregg Peters Monsees Foundation, Koo and Patricia Yuen, Seton J. Melvin, Sandra Atlas Bass, and public television viewers.

TRANSCRIPT

♪ Take a breath ♪ ♪ Feel the heat ♪ - [Narrator] There's something about walrus, an animal we all recognize yet one that few have ever seen.

- This is like a dream come true.

- [Narrator] These islands of ice are their sanctuaries.

As arctic temperatures rise, I wonder how walruses will cope in an ice-free world and how baby orphans like this one will survive.