Science TV Guide — Wednesday, 20 May 2026

Browse the full Science TV guide for Wednesday, 20 May 2026. 23 programmes listed , including 6 tonight. US listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.

Early Morning

00:00 1h

Strange Evidence

Mystery Meteor Over Scotland True

Mystery Meteor Over Scotland

A stargazer in Scotland films a meteor in an area known for UFO sightings; experts consider whether this could be a high-tech NASA operation.

01:00 1h

Strange Evidence

Costa Rican Hunchback True

Costa Rican Hunchback

A hunchbacked creature scurries out of the jungle in Costa Rica; experts consider if this could be a mythical beast or a person with a rare medical condition.

02:00 1h

Strange Evidence

Naked Super Soldier in Washington D.C. True

Naked Super Soldier in Washington D.C.

In D.C., a man chases after a car at superhuman speed and experts consider if the man could be the product of government attempts at creating a super soldier.

03:00 1h

Strange Evidence

Mystery Meteor Over Scotland True

Mystery Meteor Over Scotland

A stargazer in Scotland films a meteor in an area known for UFO sightings; experts consider whether this could be a high-tech NASA operation.

04:00 1h

Strange Evidence

S8 · E20 · Tombstone Tourist True

Tombstone Tourist

Two nighttime explorers find a figure that is skulking around in an open grave; experts consider whether this person could be a tombstone tourist.

05:00 1h

Phantom Signals

S1 · E4 · The Ghost on the Radio Science

The Ghost on the Radio

A mysterious call is picked up by radio operators across North America; A monstrous storm threatens everything in its path, but it never materializes.

Morning

06:00 1h

Phantom Signals

S1 · E3 · Soviet Doomsday Warning Science

Soviet Doomsday Warning

Leading experts fear the worst if a cold war era radio station from Russia stops broadcasting a 24/7 inexplicable signal; An astronaut hears knocking.

07:00 1h

Killers of the Cosmos

S1 · E1 · Killer Rocks Science

Killer Rocks

Earth is hit by 100 tons of rock from space every day, and most burn up in the atmosphere, but just a single rock wiped out the dinosaurs.

08:00 1h

Killers of the Cosmos

S1 · E5 · Little Green Men Science

Little Green Men

The search for intelligent extraterrestrial life has captivated generations of humans, but the underlying danger that aliens are hostile is a real possibility.

09:00 1h

Killers of the Cosmos

S1 · E2 · Dark Star Documentary

Dark Star

Black holes were once a theoretical phenomenon, but scientists now know that millions exist, and some of them have the potential to be lethal to earth.

10:00 1h

How the Universe Works

S6 · E13 · The Quasar Enigma Documentary

The Quasar Enigma

Experts explain how quasars, which are the brightest and most powerful objects in the universe, have shaped the cosmos but might destroy everything that exists.

11:00 2h

How the Universe Works

Solar System Special Documentary

Solar System Special

New discoveries have rewritten the history of the solar system, revealing a complex and violent story that begins with the birth of the Sun.

Daytime

13:00 1h

Alaska Mega Machines

S1 · E3 · Gargantuan Off the Grid Documentary

Gargantuan Off the Grid

Alaskan engineers construct a dam large enough to power an entire town; a view is given from the world's largest helicopters; a boat lift pulls a 400-ton ship.

14:00 1h

Alaska Mega Machines

S1 · E1 · Beasts of the Arctic Documentary

Beasts of the Arctic

A sturdy ship is constructed to weather tsunami-sized waves and travels dissimilar to any other in North America; machines fight a flood in the Arctic Circle.

15:00 1h

Alaska Mega Machines

S1 · E2 · The Yeti Strikes Back Documentary

The Yeti Strikes Back

A machine with 588 sharp teeth known as the Yeti helps service the coldest airport in America; tugboats plow through ice chunks in a hectic Alaskan port.

16:00 1h

Alaska Mega Machines

S1 · E4 · Bering Sea Giants Documentary

Bering Sea Giants

Alaska's Coast Guard battles treacherous waters to maintain three stories-tall buoys; machinery combusts 800 feet below Alaska's surface.

17:00 1h

Alaska Mega Machines

S1 · E5 · Warriors in the Last Frontier Documentary

Warriors in the Last Frontier

An unbelievable barge can carry a train along Alaska's high seas; a fish factory on a remote island produces more than three million pounds of seafood a day.

Evening

18:00 1h

Alaska Mega Machines

S1 · E6 · Behemoths of the Bush Documentary

Behemoths of the Bush

An airport in Alaska is made of only water and ice; well-built vehicles are made to endure the arctic to travel across the tundra; missiles in hiding.

19:00 1h

Engineering Catastrophes

Jacksonville's Parking Garage Disaster Science

Jacksonville's Parking Garage Disaster

Experts investigate and uncover critical design flaws and unsupported lower levels of a new parking garage at a luxury waterside condo in Jacksonville, Fla.

20:00 1h

Engineering Catastrophes

Quake of Christchurch Science

Quake of Christchurch

Experts use the latest science to investigate and uncover an inadequate structural design a weakness in critical supporting columns in a New Zealand building.

21:00 1h

Engineering Catastrophes

California Flood Fiasco Science

California Flood Fiasco

Experts use the latest technology to investigate and reveal bridge scouring with unsupported concrete columns exposed for failure in Huron, Calif.

22:00 1h

Engineering Catastrophes

S6 · E5 · Texas Oil Port Inferno Science

Texas Oil Port Inferno

Experts use the latest science to investigate and uncover a failed dredging operation that ruptured a propane pipeline in Corpus Christi, Texas.

23:00 1h

Engineering Catastrophes

S6 · E4 · Memphis Bridge of Doom Science

Memphis Bridge of Doom

Experts investigate and uncover severely compromised load-bearing tension members with a life-threatening weakness on a vital river interstate crossing.

Early Morning

Morning

Daytime

Evening

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