Episode guide
Horizon: 2021
4 episodes · first aired Jan 4, 2021
TMDB has no overview for this season.
- 1 Feast to Save the Planet Jan 4, 2021 · 1h Gregg Wallace and mathematician Hannah Fry invite five special guests to a unique dinner party where they are scored on the environmental impact of every dish they choose.
- 2 The Secret Science of Sewage Mar 18, 2021 · 1h Dr George McGavin and Dr Zoe Laughlin set up base camp at one of the UK's biggest sewage works to investigate the revolutionary science finding vital renewable resources and undiscovered…
- 3 Dolly: The Sheep That Changed the World Nov 23, 2021 · 59m The story of the scientists who created Dolly, the sheep that changed the world in this documentary, part of the Horizon series. This Horizon branded documentary tells the full story for…
- 4 The Vaccine Jul 8, 2021 · 1h 29m With unique access to five vaccine teams around the globe, this is the extraordinary inside story of the unprecedented quest to develop and make vaccines to fight Covid-19.