An Emperor penguin colony in Atka Bay, Antarctica. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231201_06938.jpg
An Emperor penguin in a snowstorm. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231226_12226.jpg
A small group of Emperor penguin chicks stand covered in snow and ice during a blizzard. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231226_11934.jpg
A tiny chick barely peeking out of the pouch between its parent's legs. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1270_AP_DS9I4559.jpg
An adult Emperor penguin throws its head back whilst calling out across the colony.(credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231203_08165.jpg
A big Emperor chick between two adults. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2446_AP_DS9I5667.jpg
An emperor penguin in Atka Bay, Antarctica. (National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231203_08428.jpg
An Emperor penguin chick in Atka Bay, Antarctica. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231203_07725.jpg
Bertie Gregory filming in Atka Bay, Antarctica. (National Geographic/Ben Joiner)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_P1000765.jpg
Two adult Emperor penguins standing face to face, each with a chick between their legs. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1458_AP_DS9I4625.jpg
An Emperor penguin about to feed an older chick. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1644_AP_DS9I4840.jpg
An Emperor penguin colony huddle for warmth in the golden light. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_DS9I3784_24.jpg
Bertie Gregory filming in Atka Bay, Antarctica. (National Geographic/Ben Joiner)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_P1000748.jpg
Emperor Penguins huddling in the golden light. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1318_AP_DS9I4485.jpg
An Emperor chick. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2678_AP_DS9I6210.jpg
Bertie Gregory filming in Atka Bay, Antarctica. (National Geographic/Ben Joiner)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_P1000777.jpg
Emperor penguin feeding an older chick. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2067_AP_DS9I5285.jpg
Six Emperor chicks standing on a little mount, surrounded by adults. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1717_AP_DS9I4913.jpg
Bertie Gregory on a snowmobile with a sledge loaded with camera equipment on the sea ice, with icebergs in the background. (credit: National Geographic/Heather Cruickshank)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1502.jpg
A tiny chick barely peeks out of the pouch between its parent's legs. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1275_AP_DS9I4442.jpg
Close up of penguins in a huddle, covered in ice. (credit: National Geographic)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_UHD_08.jpg
An adult Emperor penguin feeds its chick. (National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231203_07394.jpg
A parent bends down towards its older chick. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1497_AP_DS9I4665.jpg
A Emperor chick begs and squaks at its parent to be fed. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231203_07623.jpg
A group of adult Emperor pengiuns travel along a crack in the sea ice on their bellies.(credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231215_10532.jpg
Heather Cruickshank and Sara Matasick film on the sea ice with an adult Emperor penguin in the foreground. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231213_08958.jpg
An older chick looking up from between its parent's legs. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1473_AP_DS9I4640.jpg
Emperor penguin chicks taking their first swim in Atka Bay, Antarctica. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_240106_13774.jpg
An Emperor penguin feeding an older chick. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2102_AP_DS9I5320.jpg
A chick with two adults in the golden light. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1950_AP_DS9I5168.jpg
An Emperor chick up close. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1986_AP_DS9I5204.jpg
Lots of Emperor chicks together, with adults in the background. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2213_AP_DS9I5433.jpg
Male and female Emperor penguin prepare for egg transfer. (credit: National Geographic)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_UHD_02.jpg
A group of adult Emperor penguins travel along the sea ice on their bellies after exiting the water against the backdrop of the ice shelf. (credit: National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10111_231229_12998.jpg
Emperor penguins walking up a hill in the dusk. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2557_AP_DS9I5778.jpg
Close up of an Emperor Penguin egg. (credit: National Geographic)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_UHD_03.jpg
Emperor chicks peeking out over a mount(credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_1936_AP_DS9I5154.jpg
Emperor Penguin chicks in a snowy huddle, with adults in the background. (credit: National Geographic/Alex Ponniah)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_2565_AP_DS9I5787.jpg
Male and female Emperor penguin with their egg. (credit: National Geographic)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_UHD_01.jpg
Emperor penguin chicks jumping off the ice shelf edge for their first swim, Atka Bay, Antarctica. (National Geographic/Bertie Gregory)Episode: #01 "Heart of the Emperors"Air Date 04/20/2025101_SecretsOfThePenguins_MM10127_240110_14504.jpg
