#	Title	Rating	Votes
5	No Ordinary Genius, Part One	8.3	34
6	No Ordinary Genius, Part Two	8.3	25
13	Resurrecting the Dead Sea Scrolls	6.0	8

#	Title	Rating	Votes
1	Psychedelic Science	7.6	20
15	The Man Who Lost His Body	7.6	23
16	Dawn of the Clone Age	7.4	8

#	Title	Rating	Votes
1	From Here to Infinity	8.0	10
6	New Star in Orbit	5.8	9
13	The Midas Formula	8.0	27

#	Title	Rating	Votes
4	Supervolcanoes	7.8	15
5	Miracle in Orbit	8.6	8
11	Mega-Tsunami: Wave of Destruction	8.1	38
13	The Lost World of Lake Vostok	7.0	18
14	Vanished: The Plane That Disappeared	7.7	10
15	The Secret Treasures of Zeugma	9.6	13
17	Extreme Dinosaurs	7.3	17
18	Supermassive Black Holes	7.5	96
19	The Boy Who Was Turned Into a Girl	8.6	30

#	Title	Rating	Votes
1	The Mystery of the Miami Circle	7.0	12
2	The Missing Link	8.5	11
3	Killer Algae	7.6	10
5	Snowball Earth	7.8	15
8	The Ape That Took Over the World	7.6	18
10	The Death Star	7.4	23
11	Cloning the First Human	8.1	10
20	Atlantis Reborn Again	6.7	15

#	Title	Rating	Votes
1	Helike - The Real Atlantis	6.8	12
4	The Lost Pyramids of Caral	8.1	31
5	Death of the Iceman	7.0	10
6	Parallel Universes	8.0	96
7	The Dinosaur That Fooled the World	7.4	15
8	The Fall of the World Trade Center	6.3	13
9	Archimedes' Secret	7.7	27
10	The Mystery of the Jurassic	6.9	17
11	Killer Lakes	7.5	11
12	The A6 Murder	7.6	8
14	Freak Wave	8.3	28
15	Stone Age Columbus	6.1	10
16	Homeopathy: The Test	7.9	24
17	The Day the Earth Nearly Died	8.0	37
18	The Secret of El Dorado	7.6	14

#	Title	Rating	Votes
1	The Mystery of Easter Island	7.6	19
3	Averting Armageddon	6.6	8
4	Dirty Bomb	8.0	8
6	The Day We Learned to Think	7.4	14
8	Earthquake Storms	7.8	17
9	Life on Mars	7.1	10
11	God on the Brain	7.8	44
14	The Big Chill	6.7	11
15	The Bible Code	7.8	11
19	Time Trip	7.3	21

#	Title	Rating	Votes
2	The Moscow Theatre Siege	7.2	9
3	The Atkins Diet	5.8	9
4	Secrets of the Star Disc	7.1	17
5	The Dark Secret of Hendrik Schön	5.8	12
8	T.Rex: Warrior or Wimp?	7.0	23
9	Project Poltergeist	8.4	15
10	The Truth of Troy	6.9	21
11	The Truth About Vitamins	7.1	31
12	King Solomon's Tablet of Stone	8.2	19
13	Derek Tastes of Earwax	8.0	12
14	What Really Killed the Dinosaurs?	6.9	17
15	Making Millions the Easy Way	6.6	14
16	Saturn: Lord of the Rings	7.4	18
18	Dr Money and the Boy with No Penis	7.7	46

#	Title	Rating	Votes
1	Global Dimming	7.7	38
2	Einstein's Unfinished Symphony	8.0	58
3	Einstein's Equation of Life and Death	8.2	50
4	Living with ADHD	7.0	10
5	Neanderthal	7.2	15
6	An Experiment to Save the World	6.9	14
7	Who's Afraid of Designer Babies?	7.4	8
8	The Lost Civilisation of Peru	7.5	21
9	The Next Megaquake	6.6	17
12	Tsunami: Naming the Dead	7.2	8
13	The Hawking Paradox	7.4	70
14	The Mystery of the Human Hobbit	6.8	15
18	Titan: A Place Like Home?	7.4	27
19	The 7/7 Bombers: A Psychological Investigation	8.0	9
20	The Ghost in Your Genes	8.2	27

#	Title	Rating	Votes
2	Space Tourists	7.3	9
4	A War on Science	8.0	39
6	Most of Our Universe Is Missing	8.1	37
8	The Woman Who Thinks Like a Cow	7.5	38
10	Bye Bye Planet Pluto	7.6	16
11	We Love Cigarettes	8.4	20
12	Nuclear Nightmares	7.3	31
13	Tutankhamun's Fireball	6.9	21
14	Survivors Guide to Plane Crashes	6.8	20
15	Chimps Are People Too	8.0	8
16	The World's First Face Transplant	6.4	8
17	Human v2.0	7.0	26
18	The Great Robot Race	7.1	12
19	Pandemic	6.3	18
20	We Are the Aliens	6.9	24

Season 44 episodes — IMDb ratings
#	Title	Rating	Votes
1	My Pet Dinosaur	6.9	18
4	Mad But Glad	7.8	12
5	Moon for Sale	7.5	21
6	Battle of the Brains	7.8	27
8	The Six Billion Dollar Experiment	7.4	33
9	How to Commit the Perfect Murder	6.5	17
10	Everest: Doctors in the Death Zone - Part 1	7.9	16
11	Everest: Doctors in the Death Zone - Part 2	7.4	11

Season 45 episodes — IMDb ratings
#	Title	Rating	Votes
1	How to Kill a Human Being	7.5	64
2	Total Isolation	7.5	24
3	What on Earth Is Wrong with Gravity?	7.7	82
4	Is Alcohol Worse Than Ecstasy?	7.5	48
5	How to Make Better Decisions	6.8	31
6	How to Live to 101	7.0	17
8	Are We Alone in the Universe?	7.5	43
9	How Much Is Your Dead Body Worth?	7.5	15
10	How Does Your Memory Work?	6.8	36
11	The President's Guide to Science	7.9	18
12	How Mad Are You?: Part 1	7.3	29
13	How Mad Are You?: Part 2	7.5	29
14	Jimmy's GM Food Fight	6.7	19
15	Do You Know What Time It Is?	8.7	93
16	Allergy Planet	7.3	19
17	Where's My Robot?	8.1	13

Season 46 episodes — IMDb ratings
#	Title	Rating	Votes
1	Why Are Thin People Not Fat?	7.0	57
2	Cannabis: The Evil Weed?	6.7	96
3	Why Do We Dream?	7.4	52
4	Can We Make a Star on Earth?	8.1	52
5	The Secret Life of Your Body Clock	7.7	33
6	What's the Problem with Nudity?	6.8	38
7	How to Survive a Disaster	8.0	13
9	Why Can't We Predict Earthquakes?	6.3	18
10	Alan and Marcus Go Forth and Multiply	7.8	15
11	How Violent Are You?	8.2	19
12	Do I Drink Too Much?	6.5	24
13	The Secret You	7.3	55
15	Who's Afraid of a Big Black Hole?	8.0	51
16	Why Do We Talk?	7.8	25
17	How Long Is a Piece of String?	7.1	42
18	How Many People Can Live on Planet Earth?	7.9	171

Season 48 episodes — IMDb ratings
#	Title	Rating	Votes
2	What Is One Degree?	6.7	32
3	What is Reality?	8.0	85
4	Science Under Attack	7.1	39
5	The Secret World of Pain	7.9	22
6	Surviving a Car Crash	6.3	13
7	How to Mend a Broken Heart	7.8	8
8	Are We Still Evolving?	7.5	55
9	Predators in Your Backyard	7.8	20
10	Japan Earthquake: A Horizon Special	7.4	13
13	Do You See What I See?	7.7	41
15	Seeing Stars	7.7	26
16	The Nine Months That Made You	7.5	34
17	The Core	7.3	24
18	Are You Good or Evil?	7.6	65
19	Fukushima: Is Nuclear Power Safe?	7.0	22

#	Title	Rating	Votes
1	The Secret Life of the Dog	7.8	57
3	Why Do Viruses Kill?	7.7	36
4	Pill Poppers	7.8	15
5	Don't Grow Old	7.7	22
6	To Infinity and Beyond	7.7	91
7	What Makes a Genius?	6.9	53
8	Did Cooking Make Us Human	7.8	19
9	Is Everything We Know About the Universe Wrong?	7.4	54
11	Back from the Dead	8.3	14
12	The Death of the Oceans?	7.7	33
13	What Happened Before the Big Bang?	7.8	97
14	Is Seeing Believing?	7.9	39
15	Miracle Cure? A Decade of the Human Genome	6.2	14
16	Asteroids: The Good, the Bad, and the Ugly	8.1	21
17	Deepwater Disaster: The Untold Story	6.6	17

#	Title	Rating	Votes
1	The Hunt for the Higgs: A Horizon Special	7.6	75
2	Playing God	8.0	43
3	The Truth About Exercise	7.5	113
5	Solar Storms: The Threat to Planet Earth	7.4	19
6	Out of Control?	7.8	22
7	The Truth About Fat	7.2	44
8	Global Weirding	7.4	10
9	The Hunt for A.I.	7.8	40
10	Defeating Cancer	6.6	14
12	The Transit of Venus: A Horizon Special	8.2	10
14	Immortal? A Horizon Guide to Ageing	7.9	14
15	The Truth About Looking Young	7.4	31
16	Mission to Mars: A Horizon Special	6.8	30
17	Eat, Fast and Live Longer	7.9	182
18	How Big Is the Universe?	7.6	85
19	How Small Is the Universe?	7.7	61
20	Defeating the Superbugs	7.5	22
21	The Final Frontier? A Horizon Guide to the Universe	8.0	29

#	Title	Rating	Votes
1	The Truth About Meteors	7.8	16
2	The Creative Brain: How Insight Works	7.5	38
3	How to Avoid Mistakes in Surgery	7.6	16
4	The Truth About Taste	6.8	32
5	The Age of Big Data	6.9	54
6	Tomorrow's World: A Horizon Special	7.2	22
7	The Secret Life of the Cat	7.3	118
8	Little Cat Diaries	7.0	25
9	Fracking: The New Energy Rush	6.8	24
10	Swallowed by a Black Hole	7.6	54
11	What Makes Us Human?	7.7	39
12	The Truth About Personality	7.1	51
13	What's Killing Our Bees? A Horizon Special	8.1	16
14	Monitor Me	7.9	18
15	Defeating the Hackers	6.8	39
16	Dinosaurs: The Hunt for Life	7.0	38
17	Sex: A Horizon Guide	7.1	37
19	Comet of the Century: A Horizon Special	6.7	16

#	Title	Rating	Votes
1	Sugar v Fat	6.7	125
2	Swallowed by a Sink Hole	6.9	20
3	Man on Mars: Mission to the Red Planet	7.3	54
4	The Power of the Placebo	7.4	33
5	How You Really Make Decisions	7.4	53
6	Living with Autism	6.6	14
7	The £10 Million Challenge	7.8	11
8	Where Is Flight MH370?	7.1	56
9	What's Wrong with Our Weather?	6.6	25
10	Should I Eat Meat?: The Big Health Dilemma	7.6	49
11	Should I Eat Meat?: How to Feed the Planet	8.0	32
12	Allergies: Modern Life and Me	6.8	29
13	Inside the Dark Web	7.1	130
14	Ebola: The Search for a Cure	7.7	15
15	Is Your Brain Male or Female?	6.8	59

#	Title	Rating	Votes
4	Secrets of the Solar System	7.2	106
7	Aftershock: The Hunt for Gravitational Waves	6.5	36
8	Dancing in the Dark - The End of Physics	7.1	58
9	70 Million Animal Mummies: Egypt's Dark Secret	7.4	28
10	Is Binge Drinking Really That Bad?	7.5	35
11	The Trouble with Space Junk	7.8	29
12	Are Health Tests Really a Good Idea?	7.4	22
13	First Britons	6.9	17
14	OCD: A Monster in My Mind	7.2	27
15	Which Universe Are We In?	6.5	100
16	Cosmic Dawn: The Real Moment of Creation	7.3	43
17	Are Video Games Really That Bad?	6.8	36
18	Tim Peake Special: How to Be an Astronaut	7.2	11

#	Title	Rating	Votes
1	The Immortalist	7.9	31
2	Project Greenglow: The Quest for Gravity Control	6.6	35
3	The Mystery of Dark Energy	7.4	60
4	Oceans of the Solar System	7.2	23
5	The End of the Solar System	7.2	37
6	Should We Close Our Zoos?	8.2	18
7	How to Find Love Online	6.8	32
8	Ice Station Antarctica	7.4	23
9	Curing Alzheimer's	7.1	15
10	E-Cigarettes: Miracle or Menace?	7.1	44
11	Why Are We Getting So Fat?	6.8	47
12	Sports Doping - Winning at Any Cost?	6.4	19
13	Inside CERN	6.9	31
14	My Amazing Twin	7.0	16
15	Jimmy Carr and the Science of Laughter	5.8	21
16	The Lost Tribes of Humanity	8.0	40
17	The Wildest Weather in the Universe	7.4	37

#	Title	Rating	Votes
1	Clean Eating: The Dirty Truth	5.6	58
2	Hair Care Secrets	6.6	14
3	ADHD and Me with Rory Bremner	7.4	14
4	Why Did I Go Mad?	7.1	17
5	Strange Signals from Outer Space	6.8	50
6	Volcanoes of the Solar System	7.5	30
7	Antarctica: Ice Station Rescue	7.2	13
8	Cyber Attack - The Day the NHS Stopped	7.2	11
9	10 Things You Need to Know About the Future	7.2	34
10	Dawn of the Driverless Car	7.1	25
11	Dippy and the Whale	7.4	11
12	What Makes a Psychopath?	6.1	88
13	Mars: a Traveller's Guide	7.0	43
14	Goodbye Cassini - Hello Saturn	8.3	41
15	Being Transgender	6.7	9

#	Title	Rating	Votes
1	My Amazing Brain: Richard's War	7.9	17
3	How to Build a Time Machine	7.1	25
4	Spina Bifida & Me	7.8	11
5	Jupiter Revealed	7.9	55
6	Stopping Male Suicide	6.4	23
7	A Week Without Lying - The Honesty Experiment	5.7	20
8	The Placebo Experiment: Can My Brain Cure My Body?	7.1	26
9	Body Clock: What Makes Us Tick?	6.2	24
10	Avalanche: Making a Deadly Snowstorm	6.8	17
11	Vitamin Pills: Miracle or Myth?	6.8	32
12	Diagnosis on Demand? The Computer Will See You Now	7.6	12
13	The Contraceptive Pill: How Safe Is It?	6.4	11
18	The Horizon Guide to AI	7.8	17

#	Title	Rating	Votes
1	We Need to Talk About Death	7.8	12
2	Alastair Campbell: Depression and Me	6.7	21
4	The Honest Supermarket: What's Really in Our Food?	7.2	31
5	Inside the Social Network: Facebook's Difficult Year	6.1	21
6	The 250 Million Pound Cancer Cure	7.1	16
7	Cannabis: Miracle Medicine or Dangerous Drug?	7.2	19

#	Title	Rating	Votes
1	Addicted to Painkillers? Britain's Opioid Crisis	6.6	17
2	Chris Packham: 7.7 Billion People and Counting	6.9	86
3	Toxic Town: The Corby Poisonings	7.1	16
4	Coronavirus Special - Part 1	7.6	20
5	The Restaurant That Burns Off Calories	5.9	14
6	Hubble: The Wonders of Space Revealed	7.6	64
7	The Great British Intelligence Test	6.6	17
8	Coronavirus Special - Part 2	7.2	16
9	What's the Matter with Tony Slattery?	7.5	69
10	Pluto: Back from the Dead	7.6	69

Horizon (1964)

Seasons

Shows like this

#	Title	Rating	Votes
1	Feast to Save the Planet	7.4	18
2	Coronavirus Special - What We Know Now	7.6	11
3	The Secret Science of Sewage	7.5	10
4	Horizon Special: The Vaccine	6.8	7

#	Title	Rating	Votes
1	How to Sleep Well with Michael Mosley	6.8	29
2	Fergal Keane: Living with PTSD	7.6	16
3	Making Sense of Cancer with Hannah Fry	7.8	47
4	Super Telescope: Mission to the Edge of the Universe	7.1	20

#	Title	Rating	Votes
1	Confessions of a Brain Surgeon	7.0	10
2	Disease X: Hunting the Next Pandemic	7.0	7
3	Secrets of the Brain - Pt I	7.0	9
4	Secrets of the Brain - Pt II	6.8	8