Flying Carp

E1

Flying fish from Asia are invading America's waterways and turning innocent boating trips into boxing matches as fish "knock out" anglers. National Geographic Explorer Zeb Hogan heads to the Illinois River, one of the areas where their population is thickest, to see what can be done to stop them ... and the answer could be as simple as your dinner plate.

Mongolian Terror Trout

E2

Alligator Gar

E3

Dr Zeb Hogan searches the southern United States for the rapidly disappearing alligator gar.

Land Of Giants

E4

Zeb travels Thailand in search of giant fish; freshwater protected areas.

Jungle Catfish

E5

Zeb Hogan is on a mission to find the giants of the sea.

Alien Catfish

E6

Zeb travels to Spain for the wels catfish, a vicious predator that destroys local ecosystems.

River Invasion

E7

Zeb Hogan attempts to fathom the uncontrolled spread of flying Asian carp in America's waterways.

Raging Amazon

E8

Amazonian expedition to assess the impact of humanity on the area's fish population.

Monsters of the Nile

E9

Zeb faces the crocodiles and goes in search of Africa's biggest freshwater fish: the Nile perch.

Ancient Beast

E10

Aquatic ecologist Dr Zeb Hogan goes in search of the paddlefish.

Nile Giant

E11

Aquatic ecologist Zeb Hogan and fellow scientists search for Nile perch.