第 1 季 共 6 集
播出时间：2022年12月23日
第 1 集 Winter
播出时间：2022年12月23日
Stephen Fry explores how nearly all life on Earth is impacted by our annual journey around the sun. Northern winters bring notably harsh conditions for polar bears, for example.
第 2 集 Spring
播出时间：2022年12月23日
As the North starts to face the sun, the great melt begins, and there's a baby boom. But for penguins and foxes in the South, conditions are getting harsher.
第 3 集 Summer
播出时间：2022年12月23日
Summer can be extreme. In The Rockies, summers are short. Pika must harvest flowers to eat before the snow returns. For Marion Island’s king penguin chicks, life has frozen still.
第 4 集 Autumn
播出时间：2022年12月23日
Autumn signals change. For many, change brings opportunity, but also huge challenges. For some, like Monarch butterflies, it offers a chance to begin again or take a new path.
第 5 集 Full Circle
播出时间：2022年12月23日
See the incredible strategies animals like red squirrels, pikas and penguins use to cope with their changing worlds, as we journey through the seasons, in our orbit around the sun.
第 6 集 A Year on My Planet Earth
播出时间：2022年12月23日
These are the stories of the scientists and conservationists who have have used pioneering techniques to uncover new behaviour, enabling us to film this extraordinary series.
