National Geographic (Canada) Research vessel Petrel picks up what they believe to be the debris trail of the USS Johnston; a manned submersible is deployed to potentially put eyes on the deepest shipwreck in the world. 2026-05-16 Archaeologists exploring the origins of the civilization that built the great city of Angkor investigate ancient lost treasure discovered in Laos. 2026-05-16 The discovery of gold and silver artifacts in Laos, dating to the early days of the Khmer Empire, leads scientists to investigate how the objects were made; on their journey, they retrace the steps of the ancient kings. 2026-05-16 Research vessel Petrel picks up what they believe to be the debris trail of the USS Johnston; a manned submersible is deployed to potentially put eyes on the deepest shipwreck in the world. 2026-05-16 Archaeologists exploring the origins of the civilization that built the great city of Angkor investigate ancient lost treasure discovered in Laos. 2026-05-16 The discovery of gold and silver artifacts in Laos, dating to the early days of the Khmer Empire, leads scientists to investigate how the objects were made; on their journey, they retrace the steps of the ancient kings. 2026-05-16 Just weeks before the war ends, USS Indianapolis is violently sunk; hundreds of men are lost at sea as they fight off exposure and shark attacks; it is the worst disaster at sea in U.S. Naval history. 2026-05-16 Undersea explorers aboard the research vessel Petrel detect a wreck off the coast of the Philippines that fits the profile of an American destroyer. 2026-05-16 Hours after emerging victorious in the first carrier-to-carrier battle of World War II, the USS Lexington erupts in flames due to enemy fire; after 80 years, Petrel hopes to spot the wreck and the planes that went down with the ship. 2026-05-16 The Petrel team searches for the American aircraft carrier USS Hornet; the ship's life is cut short when the Hornet sails into a hornet's nest of Japanese ships. 2026-05-16 Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey. 2026-05-16 Devastating flash floods threaten Dawson City. 2026-05-16 Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey. 2026-05-16 Devastating flash floods threaten Dawson City. 2026-05-16 The docs at Critter Fixer help 15 celebrity chihuahuas and a baby duckling. 2026-05-16 The docs at Critter Fixer help their first capybara and an alpaca farm. 2026-05-16 The docs at Critter Fixer move quickly to save a canine bitten by a snake. 2026-05-16 The docs at Critter Fixer take Vet for a Day to the Zoo Atlanta. 2026-05-16 The docs at Critter Fixer help a laboring bulldog and an aquatic axolotl. 2026-05-16 The Docs at Critter Fixer return to FVSU as Homecoming Grand Marshals. 2026-05-16 The docs at Critter Fixer rush to aid a big tortoise with a cracked shell. 2026-05-16 The Docs at Critter Fixer strive to aid the animals of service members. 2026-05-16 It's a wild few days as Dr. K and company try to keep control of crazy critters. 2026-05-16 Dr. K wrestles a pot-bellied pig and handles an aggressive squirrel over a challenging few days at the hospital. 2026-05-16 Dr. K and the team host a gender reveal party for a tortoise. 2026-05-17 A guinea pig may need to have its foot amputated; Dr. K performs emergency surgery on a baby bird that can't breathe. 2026-05-17 A snapping turtle case stumps Dr. K; a hedgehog gives Dr. T the silent treatment; a feisty pygmy goat stirs up some mischief. 2026-05-17 Dr. K and the team host a gender reveal party for a tortoise. 2026-05-17 A guinea pig may need to have its foot amputated; Dr. K performs emergency surgery on a baby bird that can't breathe. 2026-05-17 A snapping turtle case stumps Dr. K; a hedgehog gives Dr. T the silent treatment; a feisty pygmy goat stirs up some mischief. 2026-05-17 The docs at Critter Fixer take Vet for a Day to the Zoo Atlanta. 2026-05-17 The docs at Critter Fixer help a laboring bulldog and an aquatic axolotl. 2026-05-17 The Docs at Critter Fixer return to FVSU as Homecoming Grand Marshals. 2026-05-17 The docs at Critter Fixer rush to aid a big tortoise with a cracked shell. 2026-05-17 Rookie Steph Custance tries to complete the first ice road mission of her career; Alex Debogorski runs into a road block as temperatures soar; Art Burke attempts to deliver to a new community; Darrell Ward braves an unregulated winter road. 2026-05-17 Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin. 2026-05-17 Rookie Steph Custance tries to complete the first ice road mission of her career; Alex Debogorski runs into a road block as temperatures soar; Art Burke attempts to deliver to a new community; Darrell Ward braves an unregulated winter road. 2026-05-17 Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin. 2026-05-17 Snow threatens to bury Ken's pay dirt; Karl ignores his father's advice; Big Al deals with failing equipment and unhappy workers as his first season comes to an end. 2026-05-17 The team examines if a glass scarab in Tutankhamun's tomb was created by forces from out of this world. 2026-05-17 Why is one moai bearded?; are flying saucers real?; can a wooden bucket heal? 2026-05-17 Is a bog body a murder?; can physics find illness?; who is on an Egyptian bust? 2026-05-17 A rock solves murders?; metal ears repel aircraft?; the Sphinx wore a false beard? 2026-05-17 Is the Shroud of Turin real? Are jet packs fake? Why do ancient cups have holes? 2026-05-17 Are zombies real?; did a device stop Armageddon?; did Shakespeare code his plays? 2026-05-17 Can a holey bone rewrite evolution? A shoe beat a casino? A sapphire be cursed? 2026-05-17 Is a crystal skull powered? Is a spiked chair torture? Is a tablet astronomical? 2026-05-17 A robot chess player, an immortality device and a lost language, wrapped mummy? 2026-05-17 In this enhanced episode, Stanley finds treats in the wildest of regions. 2026-05-18