Watch S1, EP3: A Working Ecosystem with Fubo for $0 Today
During a lull in bear and salmon activity, Casey and the crew decide to head inland in search of the spawning fish.
During a lull in bear and salmon activity, Casey and the crew decide to head inland in search of the spawning fish.
How to watch
More episodes
The Tracker's Diary: Bears of Katmai
S1, EP6 "No Place Like Home"Casey and his crew wander the tidal flats and interior of Katmai and find the bones of a humpback whale that washed ashore.
The Tracker's Diary: Bears of Katmai
S1, EP5 "Neighbors, Old and New"Casey and the crew go out in search of the family of the lost cub from the previous night.
The Tracker's Diary: Bears of Katmai
S1, EP4 "The Wolf and The Storm"After seeing a wolf in the distance and tracks on the shore, the crew head inland in search of more clues to the wolf's whereabouts.
The Tracker's Diary: Bears of Katmai
S1, EP3 "A Working Ecosystem"During a lull in bear and salmon activity, Casey and the crew decide to head inland in search of the spawning fish.
More history shows
See allSecrets of Ancient Structures
Across the globe and throughout history, ancient civilizations erected structures that continue to inspire awe and wonder; archaeological finds and new technologies reveal clues to long-enduring mysteries.
Normandy, Land of Warriors
A deep dive into the great armed conflicts that made the Normans one of the world's most powerful dynasties.
Queens of Ancient Egypt
Well-known ancient monarch Cleopatra is only one of a long line of Egyptian queens spanning 3,000 years.
Hunting Hitler
According to documents that were declassified by the FBI in 2014, Adolf Hitler may have survived World War II and fled to South America following the fall of Nazi Germany. In this series a team of investigators -- led by 21-year CIA veteran Bob Baer and war crimes investigator John Cencich -- undertakes a definitive search with the goal of finding out whether the notorious dictator actually survived the war and pulled off one of history's greatest disappearing acts. The team uncovers a mysterious Nazi lair in the Argentinean jungle and searches for evidence of a missing U-boat that may have transported Hitler out of Europe as Germany collapsed.