The WORST episodes of Mammals (2024)

Every episode of Mammals (2024) ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Mammals (2024)!

On every continent, in every ocean, conquering frozen landscapes and searing deserts – mammals are everywhere. Sir David Attenborough reveals the ingenuity behind their success.

Last Updated: 3/3/2025Network: BBC OneStatus: Ended

8.05

19 votes

#1 - Heat

Season 1 - Episode 5 - Aired 4/28/2024

From the barren Australian outback to the remote, dry deserts of Namibia, mammals use their ingenuity, incredible intelligence and remarkable resilience to beat the heat.

Watch Now:Amazon

8.07

15 votes

#2 - Forest

Season 1 - Episode 6 - Aired 5/5/2024

From deep in the undergrowth to the highest tree, forests are home to two-thirds of all mammal species. Discover how they overcome the many challenges of life in a crowded world.

Watch Now:Amazon

8.20

20 votes

#3 - Cold

Season 1 - Episode 4 - Aired 4/21/2024

From ice-covered seas to snow-capped mountains, mammals have conquered the cold, living in the harshest places on Earth, thanks to their remarkable intelligence and adaptations.

Watch Now:Amazon

8.23

22 votes

#4 - Water

Season 1 - Episode 3 - Aired 4/14/2024

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found remarkable ways to overcome the many challenges of a life in water.

Watch Now:Amazon

8.25

36 votes

#5 - Dark

Season 1 - Episode 1 - Aired 3/31/2024

The dark, a world of opportunity for mammals. More than two-thirds prefer the cover of the night, with some now returning to the safety of the shadows in order to avoid us.

Watch Now:Amazon

8.29

24 votes

#6 - The New Wild

Season 1 - Episode 2 - Aired 4/7/2024

Mammals have mastered every environment on Earth, but today the planet is changing faster than ever. Mammals must change with it to have a chance of survival in this, the new wild.

Watch Now:Amazon