| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Extremely Wild |
October 2, 2021
NBC
|
25 | |
| S04E02 | Awesome Adaptations |
October 9, 2021
NBC
|
25 | |
| S04E03 | Nature's Giants |
October 16, 2021
NBC
|
25 | |
| S04E04 | Frozen Kingdoms |
October 23, 2021
NBC
|
25 | |
| S04E05 | Ingenious Animals |
October 30, 2021
NBC
|
25 | |
| S04E06 | Life in the Trees |
November 6, 2021
NBC
|
25 | |
| S04E07 | Odd Animals |
November 13, 2021
NBC
|
25 | |
| S04E08 | Best of Latin America |
November 20, 2021
NBC
|
25 | |
| S04E09 | Life on the Edge |
January 15, 2022
NBC
|
25 | |
| S04E10 | Intelligent Tendencies |
January 22, 2022
NBC
|
25 | |
| S04E11 | Large and in Charge |
January 29, 2022
NBC
|
25 | |
| S04E12 | The Coldest in the Wilderness |
February 5, 2022
NBC
|
25 | |
| S04E13 | Never More Clever |
February 12, 2022
NBC
|
25 | |
| S04E14 | Bizarre Beasts |
February 19, 2022
NBC
|
25 | |
| S04E15 | Branching Out |
February 26, 2022
NBC
|
25 | |
| S04E16 | Armored Animals |
March 5, 2022
NBC
|
25 | |
| S04E17 | Feathered Friends |
April 16, 2022
NBC
|
25 | |
| S04E18 | Asia Adventures |
April 16, 2022
NBC
|
25 | |
| S04E19 | Prime-Time Mates |
April 23, 2022
NBC
|
25 | |
| S04E20 | The March For Mammals |
April 23, 2022
NBC
|
25 | |
| S04E21 | Teacher's Pet |
April 30, 2022
NBC
|
25 | |
| S04E22 | Snowfall for All |
April 30, 2022
NBC
|
25 | |
| S04E23 | Into the Depths |
May 7, 2022
NBC
|
25 | |
| S04E24 | Peak Performances |
May 7, 2022
NBC
|
25 | |
| S04E25 | Massive Monsters |
June 11, 2022
NBC
|
20 | |
| S04E26 | Wonders from Africa |
June 11, 2022
NBC
|
20 | |
| S04E27 | Superior Survivors |
June 18, 2022
NBC
|
20 | |
| S04E28 | Iconic Creatures |
July 18, 2022
NBC
|
20 | |
| S04E29 | Asian Primates |
June 25, 2022
NBC
|
20 | |
| S04E30 | Searching South America |
June 25, 2022
NBC
|
20 | |
| S04E31 | Funkiest Features |
July 2, 2022
NBC
|
20 | |
| S04E32 | Southern Hemisphere |
July 2, 2022
NBC
|
20 | |
| S04E33 | India |
July 9, 2022
NBC
|
20 | |
| S04E34 | Bizarre Beasts of Africa |
July 9, 2022
NBC
|
20 | |
| S04E35 | Freezing and Furry |
July 16, 2022
NBC
|
20 | |
| S04E36 | Tropical Terrain |
July 16, 2022
NBC
|
20 | |
| S04E37 | Hungriest Hunters |
July 23, 2022
NBC
|
20 | |
| S04E38 |
British Columbia
season finale
|
July 23, 2022
NBC
|
20 |
No artwork of this type.
No artwork of this type.
No artwork of this type.