What If (2018)

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4x1
What If Orgasms Didn’t Exist?
Episode overview
Would you exist if humanity never had the pleasure of the big O?
4x2
What If All Stars Exploded at the Same Time?
Episode overview
What would happen if all stars exploded at once?
4x3
What If You Were 5 Meters Tall?
Episode overview
Would everyone treat you like a freak if you were 5 meters tall?
4x4
What If You Had X-Ray Vision?
Episode overview
Of all the superpowers, this isn't the one you want to have, trust us.
4x5
What If There Was No Music?
Episode overview
Could you live without music?
4x6
hat If You Were the First Person on Mars?
Episode overview
You're the first person to land on Mars. All of humanity is watching. What do you say as you step on the red planet?
4x7
What If a Magnetar Entered Our Solar System?
Episode overview
The strongest magnet in the Universe enters our Solar System. What would happen?
4x8
What If Everyone Over the Age of 18 Disappeared?
Episode overview
Should we put the kids in charge?
4x9
What If We Created a Superintelligence?
Episode overview
What would happen if we created something far smarter than humans?
4x10
What If Earth’s Atmosphere Was Pure Oxygen?
Episode overview
We require oxygen to live. So would an atmosphere composed of 100% oxygen be good thing?
4x11
What If You Were the Last Person on Earth?
Episode overview
How to survive as the last human on Earth in 7 steps.
4x12
What If Earth Was Near the Center of the Milky Way?
Episode overview
What's at the center of the Milky Way galaxy and what would be different if Earth was positioned there?
4x13
What If You Fell Into a Pool of Liquid Nitrogen?
Episode overview
How dangerous is liquid nitrogen and what happens if you jumped into a pool filled with the liquefied gas?
4x14
What If You Lived During the Middle Ages?
Episode overview
At least they didn’t believe the world was flat.
4x15
What If You Fell Into Quicksand?
Episode overview
The more you move, the more you get sucked into it.
4x16
What If We Had Flying Cars?
Episode overview
It's 2019, where are all the flying cars?
4x17
What If We Moved Earth?
Episode overview
What will we do when the Sun turns into a red giant?
4x18
What If We Had Working Quantum Computers Today?
Episode overview
What if the next computing revolution already happened?
4x19
What If All Houses Were Covered With Solar Panels?
Episode overview
Wouldn't it be a good idea to cover every house with solar panels?
4x20
What If We Lived in a Globular Cluster?
Episode overview
What would life be like inside such a dense clump of stars?
4x21
What If One Million People Actually Stormed Area 51?
Episode overview
You asked for it. #area51
4x22
What If a Gamma-Ray Burst Hits Earth?
Episode overview
Gamma ray bursts are the most energetic events in the Universe. What if one hit earth?
4x23
What If You Fell Into a Pool Filled Snake Venom?
Episode overview
This episode has no summary.
4x24
What If We Sent Our Trash Into the Sun?
Episode overview
Is this the solution to stop humans from trashing the planet?
4x25
What If You Had a Cosmic Twin?
Episode overview
If there were many identical copies of you out there in the universe, would you want to meet them?
4x26
What If You Ate Mold?
Episode overview
Have you ever eaten moldy stuff by accident?
4x27
What If We Lived in a Galactic Zoo?
Episode overview
What if aliens are simply watching us without revealing themselves, to avoid triggering pandemonium on Earth?
4x28
What If You Fell Into a Pool Full of Sharks?
Episode overview
Please don't do this. #sharkweek
4x29
What If We Created a Second Artificial Moon?
Episode overview
China plans to launch an artificial moon to light up the night skies and save electricity. What would be the consequences?
4x30
What If You Fell out of an Airplane at 30,000 Feet?
Episode overview
You're 9 km (~6 miles) up in the sky. You're alone. You're falling. Could you survive?
4x31
What If a Spoonful of Neutron Star Appeared on Earth?
Episode overview
Have a spoonful of neutron star.
4x32
What If Animals Were As Smart As Us?
Episode overview
Would we cooperate or fight?
4x33
What If We Settled on the Moon?
Episode overview
NASA wants to send astronauts back to the Moon by 2024. What if we stayed and settled on the Moon this time?
4x34
What If There Was No Salt in the World?
Episode overview
Could you live without salt for a week?
4x35
What If People With Down Syndrome Ruled the World?
Episode overview
More hugs, affection, and caring for others.
4x36
What If You Went Surfing on a Tsunami?
Episode overview
What would happen if you tried to surf a tsunami wave?
4x37
What If We Built Cloud Cities on Venus?
Episode overview
Should we be going to Venus instead of Mars?
4x38
What If You Could Upload Your Brain?
Episode overview
Under what conditions would you consider uploading your brain?
4x39
What If We Nuked Mars?
Episode overview
Elon Musk wants to nuke Mars. What would happen?
4x40
What If We Lost The Amazon Rainforest?
Episode overview
What would happen if we completely lost the Amazon rainforest to the fires? #AmazonFires
4x41
What If We Nuked a Hurricane?
Episode overview
Dear Mr President...
4x42
What If We Extinguished the Sun?
Episode overview
Could we extinguish the sun when it becomes red giant in about 5.4 billion years from now?
4x43
What If You Could Work Anywhere in the World?
Episode overview
Where would you work?
4x44
What If We Could Open a Portal to a Parallel Universe?
Episode overview
This episode has no summary.
4x45
What If You Could Record Your Dreams?
Episode overview
If you could record your dreams, would you?
4x46
What If Pangea Never Broke Apart?
Episode overview
Where on Earth would you be if the Pangea supercontinent never broke appart?
4x47
What If You Didn’t Feel Pain?
Episode overview
Would a world without pain truly be painless?
4x48
What If Telekinesis Was Real?
Episode overview
What would you do if you could move objects with your mind?
4x49
What If You Skydived Into a Tornado?
Episode overview
Nobody has ever done this. For obvious reasons.
4x50
What If the Earth Was One Living Organism?
Episode overview
Could we all be part of one giant superorganism?
4x51
What If the World Was Ruled by Only One Man?
Episode overview
If the world was ruled by one man or woman, who should it be?
4x62
What If It Rained Acid?
Episode overview
Rain, rain, go away...
4x52
What If You Met a Time Traveler?
Episode overview
This episode has no summary.
4x63
What If Alien Life Was Silicon-Based?
Episode overview
Is silicon-based life possible?
4x53
What If You Could Melt Metal With Your Hands?
Episode overview
What would you melt?
4x54
What If We Could Refreeze the Arctic?
Episode overview
Could refreezing the Arctic reverse the effects of global climate change?
4x55
What If We Poured a Pool of Liquid Nitrogen Into a Volcano?
Episode overview
What happens when you mix one of the coldest and hottest substances on Earth on a large scale?
4x56
What If You Were the Only Man on Earth?
Episode overview
There are 3.8 billion women on Earth. There were 3.9 billion men. But now, it's just you..
4x57
What If You Jumped Into a Pool Full of Stomach Acid?
Episode overview
How strong is stomach acid really?
4x58
What If We Dug Tunnels Between Continents?
Episode overview
Why don’t we build tunnels between continents?
4x59
What If We Knew the Time We Go Extinct?
Episode overview
We might have only 760 years left before we go extinct. A timeline to the end of humanity.
4x60
What If Everybody Planted a Tree on Their Birthday?
Episode overview
Could we save the planet if we all planted a tree every year on our birthday?
4x61
What If We Find a Cure for Cancer?
Episode overview
Will we ever find a cure for cancer?
4x64
What If There Was No Friction for 1 Minute?
Episode overview
Rubbing things together creates, not destroys...
4x65
What If Smartphones Were Invented in the 60s?
Episode overview
What would your phone look like if smartphones were invented in the '60s?
4x66
What If Another Sun Entered Our Solar System?
Episode overview
What are the chances for another sun to pass through our Solar System? And what would happen to the planets?
4x67
What If We Created Hybrid Human-Animals?
Episode overview
Should we create human-animal hybrids to grow tissues and organs for people in need of organ transplants?
4x68
What If Ghosts Were Real?
Episode overview
Trick or treat...
4x69
What If All Humans Spoke The Same Language?
Episode overview
Could one universal language for all humans solve the problems on this planet?
4x70
What If We Found Alien Life on Enceladus?
Episode overview
NASA revealed last month that the ocean on Saturn's moon Enceladus contains the building blocks of life. What are the chances that we will find aliens?
4x71
What If You Could Build the Death Star?
Episode overview
What would it take to make the Death Star a real-life possibility?
4x72
What If You Jumped Into a Pool Filled With Human Saliva?
Episode overview
How much saliva do you produce in your life?
4x73
What If the Atmosphere Was 10% Deep Voice Gas?
Episode overview
Humanity goes Darth Vader.
4x74
What If You Owned a Time Machine?
Episode overview
Which moment in history or the future would you visit first?
4x75
What If We Dumped Our Trash in the Bermuda Triangle?
Episode overview
Because large objects seem to disappear mysteriously, why don't we dump our trash in the Bermuda Triangle?
4x76
What If Megalodon Sharks Never Went Extinct?
Episode overview
Could megalodon sharks still live in our oceans?
4x77
What If We No Longer Needed Sleep?
Episode overview
Eternal insomnia...
4x78
What If Earth Was the Only Planet in the Solar System?
Episode overview
Sorry, Elon Musk. Mars is not there anymore.
4x79
What If We Could Upload Fake Memories Into the Brain?
Episode overview
How much do you trust your memory?
4x80
What Happens If You Never Take Your Contacts Out?
Episode overview
Lazy with your contact lenses?
4x81
What If There Was No Sugar in the World?
Episode overview
Would you live completely sugar-free?
4x82
What If All Cars Were Indestructible?
Episode overview
What if every car was a #Cybertruck?
4x83
What If Spiders Were the Size of Humans?
Episode overview
Don't watch this if you're afraid of spiders.
4x84
What If You Were Made of Dark Matter?
Episode overview
How long would you last as dark matter?
4x85
What If Ice Was Hot Instead of Cold?
Episode overview
What would the Arctic look like if all the ice was hot?
4x86
What If We Created No Waste?
Episode overview
What would happen if everyone became zero waste?
4x87
What If You Never Left Your Bed?
Episode overview
This episode has no summary.
4x88
What If Earth Was Shaped Like a Donut?
Episode overview
According to the laws of physics, a donut world could actually exist.
4x89
Face Reveal
Episode overview
This episode has no summary.