TV Horizon - 2020 Horizon - 2020 7.516/10 by 32 users Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Details Casts Posters Images Title Horizon - 2020 Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords , Episodes List Horizon Season 57 :Episode 1 Addicted to Painkillers? Britain's Opioid Crisis Addicted to Painkillers? Britain's Opioid Crisis 2020-01-16 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 2 Chris Packham: 7.7 Billion People And Counting Chris Packham: 7.7 Billion People And Counting 2020-01-23 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 3 Toxic Town: The Corby Poisonings Toxic Town: The Corby Poisonings 2020-03-23 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 4 The Restaurant that Burns Off Calories The Restaurant that Burns Off Calories 2020-04-20 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 5 Hubble: The Wonders of Space Revealed Hubble: The Wonders of Space Revealed 2020-04-24 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 6 The Great British Intelligence Test The Great British Intelligence Test 2020-05-04 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 7 What's the Matter with Tony Slattery What's the Matter with Tony Slattery 2020-05-21 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 57 :Episode 8 Pluto: Back From the Dead Pluto: Back From the Dead 2020-07-06 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.