Forrest sets out on a history-making expedition in Zanzibar, revealing species never filmed before; evidence leads to an unforgettable conclusion on the Zanzibar leopard, an animal declared extinct 25 years ago.

Madagascar's Pachylemurs were red, furry giants, nearly the size of great apes; recently discovered remains disprove that they went extinct 1,000 years ago; Forrest tries to prove the giant species still lives.

Forrest teams up with a specialist in Newfoundland in search of a predator that was declared extinct in 1930; the duo meets with a hunter that shot what is believed to be a wolf and uncovers evidence that suggests the species could be alive.

Forrest combs the Florida Everglades for a predator rumored to exist for years, the Black Panther; it might be a case of mistaken identity, but while scouring the landscape, discoveries suggest that it might be more than a rumor.

Forrest Galante visits the island of Java in Indonesia to look for the Javan Tiger; this exotic predator was declared extinct in 2003, but park rangers and locals have had recent sightings and are collecting evidence of its existence.

After numerous credible eyewitness accounts of the Tasmanian Tiger in Australia, James Cook University has researchers on the move; Forrest joins their study before heading deep into the Cape York Peninsula.