DocumentaryRenewedTop 0.3% Episode Ever
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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7.35Avg
48Seasons
307Episodes
7.4IMDb
1.2KVotes
Season 1
2 episodesAVG 7.30
Best: E1 "The World of Buckminster Fuller" (7.6)
Season 2
1 episodesAVG 7.20
Best: E16 "Time Stood Still / Weighty Matters" (7.2)
Season 8
1 episodesAVG 8.00
Best: E28 "The Crab Nebula" (8.0)
Season 9
1 episodesAVG 6.30
Best: E15 "The Wizard Who Spat on the Floor" (6.3)
Season 11
3 episodesAVG 8.00
Best: E6 "The Writing on the Wall" (9.2)
Season 14
1 episodesAVG 7.80
Best: E19 "The Sunspot Mystery" (7.8)
Season 15
1 episodesAVG 8.20
Best: E20 "The Beersheva Experiment" (8.2)
Season 17
1 episodesAVG 7.80
Best: E24 "The Slatemakers" (7.8)
Season 18
2 episodesAVG 8.10
Best: E9 "Gentlemen, Lift Your Skirts" (8.6)
Season 19
3 episodesAVG 8.03
Best: E22 "The Mysterious Mr. Tesla" (10.0)
Season 20
2 episodesAVG 3.50
Best: E4 "How Much Can You Drink?" (6.0)
Season 21
3 episodesAVG 7.83
Best: E19 "Global Village" (8.4)
Season 22
2 episodesAVG 8.35
Best: E12 "The Food Allergy War" (8.4)
Season 23
1 episodesAVG 8.10
Best: E3 "Bitter Cold" (8.1)
Season 27
1 episodesAVG 7.80
Best: E18 "The Child Mothers" (7.8)
Season 29
2 episodesAVG 8.30
Best: E5 "Malaria: Battle of the Merozoites" (8.3)
Season 30
1 episodesAVG 7.50
Best: E14 "Ghosts in the Dinosaur Graveyard" (7.5)
Season 31
1 episodesAVG 3.00
Best: E19 "Close Encounters" (3.0)
Season 32
1 episodesAVG 7.60
Best: E9 "Icon Earth" (7.6)
Season 33
3 episodesAVG 6.93
Best: E16 "Noah's Flood" (7.3)
Season 34
2 episodesAVG 7.70
Best: E15 "Dawn of the Clone Age" (7.8)
Season 35
1 episodesAVG 6.70
Best: E8 "Mir Mortals" (6.7)
Season 36
3 episodesAVG 7.27
Best: E1 "From Here to Infinity" (8.0)
Season 37
10 episodesAVG 8.02
Best: E15 "Valley of Life or Death" (9.6)
Season 38
7 episodesAVG 7.71
Best: E2 "The Missing Link" (8.5)
Season 39
15 episodesAVG 7.43
Best: E14 "Freak Wave" (8.3)
Season 40
9 episodesAVG 7.50
Best: E4 "Dirty Bomb" (8.0)
Season 41
14 episodesAVG 7.15
Best: E9 "Project Poltergeist" (8.4)
Season 42
14 episodesAVG 7.44
Best: E3 "Einstein's Equation of Life and Death" (8.2)
Season 43
15 episodesAVG 7.24
Best: E11 "Nuclear Nightmares" (8.4)
Season 44
6 episodesAVG 7.32
Best: E4 "Mad but Glad" (7.8)
Season 45
16 episodesAVG 7.46
Best: E15 "Do You Know What Time It Is?" (8.7)
Season 46
16 episodesAVG 7.41
Best: E11 "How Violent Are You?" (8.2)
Season 47
12 episodesAVG 7.71
Best: E11 "To Infinity and Beyond" (8.3)
Season 48
11 episodesAVG 7.45
Best: E3 "What Happened Before the Big Bang?" (8.0)
Season 49
12 episodesAVG 7.96
Best: E11 "Global Weirding" (10.0)
Season 50
16 episodesAVG 7.31
Best: E13 "Fracking: The New Energy Rush" (8.1)
Season 51
11 episodesAVG 7.11
Best: E7 "The Power of the Placebo" (7.8)
Season 52
14 episodesAVG 7.29
Best: E3 "Allergies: Modern Life and Me" (9.0)
Season 53
16 episodesAVG 7.15
Best: E6 "Should We Close Our Zoos?" (8.2)
Season 54
15 episodesAVG 7.03
Best: E14 "Goodbye Cassini - Hello Saturn" (8.4)
Season 55
12 episodesAVG 6.95
Best: E1 "My Amazing Brain: Richard's War" (7.9)
Season 56
6 episodesAVG 6.98
Best: E1 "We Need to Talk about Death" (7.8)
Season 57
8 episodesAVG 6.95
Best: E4 "The Restaurant that Burns Off Calories" (7.6)
Season 58
4 episodesAVG 7.35
Best: E2 "The Secret Science of Sewage" (7.6)
Season 59
4 episodesAVG 7.32
Best: E3 "Making Sense of Cancer with Hannah Fry" (7.8)
Season 60
1 episodesAVG 6.80
Best: E1 "The Battle to Beat Malaria" (6.8)
Season 61
4 episodesAVG 7.00
Best: E1 "Confessions of a Brain Surgeon" (7.2)
