Catch up TV
The u00a310 Million Challenge
Series exploring topical scientific issues. To celebrate its 50th birthday, Horizon invites the public to play a role in tackling the greatest challenges facing science today.
Source: BBC 2
Most recent episodes of Horizon
Horizon
The Great British Drought
Documentary from 1976 that explores the drought crisis of that year, going behind the scenes to discover its impact on farming, the landscape and industrial and domestic consumers.
13-06-2026
BBC 2
Horizon
2020: Pluto: Back From The Dead
The incredible story of how Pluto has been propelled from an unremarkable ball of ice on the edge of the solar system to a world of unimaginable complexity - where some form of ...
13-04-2026
BBC 2
Horizon
1997-1998: Mir Mortals
First transmitted in 1998, this is the story of four men who orbited Earth on board the ill-fated Mir space station, which NASA declared unsafe in 1991. Although Mir had been li ...
10-02-2026
BBC 2
Horizon
2022: How To Sleep Well With Michael Mosley
A third of the population regularly struggle with our sleep, which rose to one in two during the pandemic - the highest it’s ever been. However, as more and more people se ...
07-01-2026
BBC 2
Horizon
2020: Hubble: The Wonders Of Space Revealed
To celebrate the 30th anniversary of its launch, this film tells the remarkable story of how Hubble revealed the awe and wonder of our universe and how a team of daring astronau ...
24-04-2025
BBC 2
Most popular episodes of Horizon
Horizon
2018: 13. The Contraceptive Pill: How Safe Is It?
In recent years a groundbreaking new study has been released into the effects of the contraceptive pill. Research from Denmark claimed women on the pill and other forms of hormo ...
21-11-2018
BBC 2
Horizon
2020: Hubble: The Wonders Of Space Revealed
To celebrate the 30th anniversary of its launch, this film tells the remarkable story of how Hubble revealed the awe and wonder of our universe and how a team of daring astronau ...
24-04-2025
BBC 2
Horizon
2020: 1. Chris Packham: 7.7 Billion People And Counting
According to the UN, it is predicted that the human population could reach ten billion people by the year 2050. For broadcaster and naturalist Chris Packham, who has dedicated h ...
28-03-2021
BBC 2
Horizon
What Makes Us Clever? A Horizon Guide To Intelligence
Dallas Campbell delves into the Horizon archive to discover how our understanding of intelligence has transformed over the last century. From early caveman thinkers to computers ...
03-04-2019
BBC 2
Horizon
2013-2014: What's Killing Our Bees? A Horizon Special
Bill Turnbull investigates one of the biggest mysteries in the British countryside: what is killing our bees. It is a question that generates huge controversy. Changes in the we ...
05-08-2021
BBC 2
