Science Channel HD When the airship Hindenburg exploded, the globe's biggest aircraft in history became one of its greatest catastrophes, and new technology may show what caused the fatal crash and if it was sabotage. 2026-05-18 In January 2025, 67 people lost their lives when a passenger jet collided with a military helicopter over Washington, D.C.; one year later, this program investigates the crash, asking what went wrong in the final minutes before the disaster. 2026-05-18 The awe-inspiring story of survival after a chartered flight crashes in the remote Andes mountains in October 1972. 2026-05-18 In January 2025, 67 people lost their lives when a passenger jet collided with a military helicopter over Washington, D.C.; one year later, this program investigates the crash, asking what went wrong in the final minutes before the disaster. 2026-05-18 The awe-inspiring story of survival after a chartered flight crashes in the remote Andes mountains in October 1972. 2026-05-18 When the airship Hindenburg exploded, the globe's biggest aircraft in history became one of its greatest catastrophes, and new technology may show what caused the fatal crash and if it was sabotage. 2026-05-18 The Dendera Temple is one of the best-preserved temples in all of Egypt; experts decipher its mystifying zodiac images and uncover the ceremonial events that took place at this sacred site, and stunning CGI rebuilds this grand complex in its prime. 2026-05-18 The magnificent tomb of Alexander the Great mysteriously vanishes and becomes a legend; using CGI, investigators piece together the evidence to reveal where his tomb lies and what it might look like. 2026-05-18 Minotaur goes head to head with Subzero in an ultimate smackdown as the two bots try to secure their spots in the World Championship. 2026-05-18 Brutus, Warhawk and End Game fight for a guaranteed spot, as the last round of bots put everything on the line to make it into the Sweet 16 round. 2026-05-18 Time travel may be more possible now than ever imagined, and today, cutting-edge technology and the latest research into black holes and wormholes is helping experts get much closer to discovering how to travel through time. 2026-05-18 Scientists use technology to stop an asteroid apocalypse; mankind comes closer to keeping Earth safe from killer space rocks. 2026-05-18 Mercury is a deadly world, facing attacks from the Sun, comets, and other planets; even though it's the smallest planet in the solar system, Mercury has a dangerous secret that may one day threaten life on Earth. 2026-05-18 Dinosaur fossil season has begun, and Montana rancher Clayton Phipps finds what might be an extremely rare and valuable fossil on his family's property. 2026-05-18 Clayton Phipps continues his excavation of a rare carnivorous dinosaur on his Montana ranch; Mike Harris and son Jake prepare to sell their prized Tyrannosaurus rex fossil; Aaron Bolan hunts for an Ankylosaurus. 2026-05-18 Clayton Phipps and his team prepare to flip a 20,000-pound carnivore fossil out of the earth and onto a flatbed to get it to the lab for analysis; Mike Harris hunts for a duckbill skull; Jared Hudson uncovers an ancient reptile. 2026-05-18 Clayton must haul his 20,000-pound dinosaur fossil over 200 miles to a lab where it will finally be identified; the Harris/Bolan clan chases poachers off of their land; Jared makes a last-ditch effort to bring in some money this season. 2026-05-18 Clayton returns to his ranch in Montana to hunt for quick finds at Old Faithful. In Wyoming, Mike Harris and his team continue excavating their triceratops site hoping to uncover the valuable horns. 2026-05-18 In Montana, Clayton Phipps prepares to learn if his carnivore skeleton belongs to a Tyrannosaurus rex or the controversial Nanotyrannus; in Wyoming, Mike Harris and Aaron Bolan race against the impending winter digging at a promising new site. 2026-05-18 Hunting for a legendary mass grave that could expose a dark secret of America's industrial past; using cutting-edge technology to find out why a giant lake is mysteriously disappearing high in the mountains. 2026-05-18 Examining a set of bizarre markings that suggest a violent clash between prehistoric beasts; in California, Rob investigates to see if a strange lake is a home to alien life. 2026-05-18 Investigating a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus; heading to California where a dormant super volcano may be showing new signs of life. 2026-05-18 Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state. 2026-05-19 Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth. 2026-05-19 Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge; at the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels. 2026-05-19 Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries. 2026-05-19 Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth. 2026-05-19 Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge; at the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels. 2026-05-19 Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries. 2026-05-19 Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state. 2026-05-19 In Montana, Clayton Phipps prepares to learn if his carnivore skeleton belongs to a Tyrannosaurus rex or the controversial Nanotyrannus; in Wyoming, Mike Harris and Aaron Bolan race against the impending winter digging at a promising new site. 2026-05-19 Hunting for a legendary mass grave that could expose a dark secret of America's industrial past; using cutting-edge technology to find out why a giant lake is mysteriously disappearing high in the mountains. 2026-05-19 The Sweet 16 round kicks off with fights featuring Tombstone, Minotaur and Lock-Jaw, as the elite bots begin the battle to become the 2018 BattleBots World Champion. 2026-05-19 The tournament begins with an epic night of smackdowns and legendary upsets as eight world-class bots go head to head to earn a place in the final four of the BattleBots World Championship. 2026-05-19 Championship night arrives and just four bots remain to face off in the ultimate battles to decide the 2018 BattleBots World Champion. 2026-05-19 Our solar system hides a dark and violent past and new discoveries reveal that Earth and the planets were formed from the destruction of alien worlds that came before us. 2026-05-19 Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy; it will also determine how our universe will end. 2026-05-19 Experts utilize the latest science and discoveries to investigate the cause of the Milky Way galaxy's gradual death. 2026-05-19 When two experts build their own radio-listening station to intercept the secret communications of American and Soviet astronauts, they capture traces of a haunting voice that may be a lost Russian cosmonaut. 2026-05-19 Experts use cutting-edge technology to investigate a mysterious phenomenon at the tomb of a 3,000-year-old Egyptian pharaoh. 2026-05-19 When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life; new investigations into this shocking signal might reveal the truth. 2026-05-19 When a U.S. Air Force intercept aircraft chases after a UFO, it vanishes forever without a trace; a new investigation tries to uncover what caused this mysterious disappearance. 2026-05-19 When someone picks up a radio distress call from a seven-year-old boy lost alone in the desert, authorities embark on a search-and-rescue mission to find him; as the hunt continues, the case becomes more and more mysterious. 2026-05-19 A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is and what might happen if it ever stops. 2026-05-19 A bus in the Italian countryside is found spewing powerful jets of fire; experts consider whether the vehicle was being used as a type of weapon, or if the blaze was the result of the fuel that the bus used or the battery it ran on. 2026-05-19 A monk unveils what looks like the corpse of a mermaid; a note claims that the creature was caught in the 18th century; experts investigate the possibility that the strange figure was actually a hominid that evolved to live in the ocean. 2026-05-19 Two nighttime explorers find a figure skulking around in an open grave; experts consider whether this person could be a tombstone tourist, the unlucky victim of a drug cartel or simply a person looking for some shelter. 2026-05-20