Season 1
- 1Grasslands: In Plain Sight3 Oct 2021
- 2Oceans: Out of the Blue10 Oct 2021
- 3Jungles: In the Thick of It17 Oct 2021
- 4Freshwater: Timing is Everything24 Oct 2021
- 5Against All Odds31 Oct 2021
Finding a mate isn't just about love - the survival of an entire species could depend on it. Sir David Attenborough reveals spectacular scenes of courting and companionship.