Nature | Moment of Impact: Hunters & Herds | Preview Some of nature's most dramatic moments betwee... Some of nature's most dramatic moments between hunters and herds are caught and examined. (0:31)

• Duration: 0:31
  Copyright THIRTEEN
  TV Rating: NR
  

Nature | Invasion of the Giant Pythons Florida's Everglades National Park is home to... Florida's Everglades National Park is home to a growing number of Burmese pythons. (50:23)

Chapter(s) 1 - 6 of 6

• 1. 1.The Invasion,
  2. 2.Python vs. Alligator,
  3. 3.Snake Hunters,
  4. 4.The Florida Keys,
  5. 5.Conservation and Breeding,
  6. 6.Pythons in the Wild

• Duration: 50:23
  Copyright 2009 Image Impact Ltd and WNET.ORG Properties LLC
  TV Rating: TV-PG
  

Nature | Balloon Strike | Invasion of the Giant Pythons Red water balloons make perfect targets for a... Red water balloons make perfect targets for a striking snake. (3:36)

• Duration: 3:36
  Copyright THIRTEEN
  TV Rating: NR
  

Nature | Alligator Versus Python | Invasion of the Giant Pythons Who would win a battle -- alligator or python... Who would win a battle -- alligator or python? It all depends on which one is bigger. (3:27)

• Duration: 3:27
  Copyright THIRTEEN
  TV Rating: NR
  

Nature | Wild Balkans In the Balkan Peninsula, ancient forests and ... In the Balkan Peninsula, ancient forests and vast wetlands harbor pristine wilderness. (50:08)

Chapter(s) 1 - 7 of 7

• 1. 1.Middle-Earth,
  2. 2.Durmitor,
  3. 3.Kopacki Rit,
  4. 4.Tikves,
  5. 5.Skadarsko Jezero,
  6. 6.Dobrudza and the Danube Delta,
  7. 7.Life in the Delta

• Duration: 50:08
  Copyright THIRTEEN
  TV Rating: TV-G
  

Nature | Clash: Encounters of Bears and Wolves In Yellowstone National Park, two predators r... In Yellowstone National Park, two predators reign supreme: the grizzly bear and the wolf. (50:23)

Chapter(s) 1 - 6 of 6

• 1. 1.Spring Awakenings,
  2. 2.Fight or Flee?,
  3. 3.Family Circles,
  4. 4.Fierce Competition,
  5. 5.Grizzly Life,
  6. 6.A Tenuous Peace

• Duration: 50:23
  Copyright 2009 NGHT, Inc. and WNET.ORG Properties LLC
  TV Rating: TV-PG
  

Nature | Hummingbirds: Magic in the Air Hummingbirds are some of the toughest, most e... Hummingbirds are some of the toughest, most energetic creatures on the planet. (50:08)

Chapter(s) 1 - 6 of 6

• 1. 1.The Hummingbird Advantage,
  2. 2.Hummingbirds and their Flowers,
  3. 3.Hunting and Survival,
  4. 4.The Mating Game,
  5. 5.Nesting,
  6. 6.Migration and Conservation

• Duration: 50:08
  Copyright 2009 WNET.ORG
  TV Rating: TV-G
  

Nature | Fellowship of the Whales Follow a baby humpback whale as she travels f... Follow a baby humpback whale as she travels from Hawaii to Alaska, and back again. (50:38)

Chapter(s) 1 - 5 of 5

• 1. 1.A Whale Is Born,
  2. 2.Navigating Busy Waters,
  3. 3.The Journey North,
  4. 4.Alaskan Summer,
  5. 5.The Return to Hawaii

• Duration: 50:38
  Copyright 2009 WNET.ORG Properties LLC
  TV Rating: NR
  

Nature | Black Mamba The black mamba is one of Africa's most dange... The black mamba is one of Africa's most dangerous and feared snakes. (50:24)

Chapter(s) 1 - 6 of 6

• 1. 1.The Deadly Mamba,
  2. 2.The Snake Charmers,
  3. 3.Catching a Mamba,
  4. 4.Snake Surgery and Tragedy,
  5. 5.Tracking the Mambas,
  6. 6.A New Hope

• Duration: 50:24
  Copyright 2009 WNET.ORG Properties LLC and Tigress Productions Limited
  TV Rating: TV-PG
  

Nature | Cloud: Challenge of the Stallions In the third chapter of Cloud's saga, who wil... In the third chapter of Cloud's saga, who will rise to challenge the mighty wild stallion? (50:23)

Chapter(s) 1 - 6 of 6

• 1. 1.The Seasons of Cloud's Life,
  2. 2.Families and Threats,
  3. 3.Horses and the BLM,
  4. 4.Families in Turmoil,
  5. 5.Tracking Cloud,
  6. 6.Generations

• Duration: 50:23
  Copyright 2009 WNET.ORG Properties LLC
  TV Rating: NR