Horizon Season 38 Episodes

Episode 1

The Mystery of the Miami Circle

Episode 2

The Missing Link

Episode 3

Killer Algae

No one quite knows what happened in the tropical aquarium of a German zoo two decades ago, but according to biologists, experiments with a tropical seaweed unleashed a hybrid algae which is now decimating marine life in the Mediterranean. It was in the late 1980s that Alexandre Meinesz, a professor of biology at France's University of Nice-Sophia Antipolis on the Mediterranean coast, first detected the spread of a new species of algae along the French coastline. Horizon follows Meinesz on a scientific detective story as he attempts to unravel the source of this alien algae, alert the authorities to the danger and find a solution.

Episode 4

Ecstasy and Agony

Episode 5

Snowball Earth

A controversial theory posits that for millions of years Earth was entirely ice covered.

Episode 6

Taming the Problem Child

Episode 7

The Mystery of the Persian Mummy

The discovery of a mummified girl, with a full inscription identifying her as a 'lost' Persian princess creates scientific excitement as mummification is unknown in ancient Persia. When forensic scientific analysis reveals that the mummy is nowhere near as old as it should be, the scientists find themselves attempting to solve a murder, and eventually uncover a gruesome secret which may hold the clues to many more unsolved crimes.

Episode 8

The Ape That Took Over the World

Episode 9

Life Blood

Episode 10

The Death Star

Episode 11

Cloning the First Human

Episode 20

Atlantis Reborn Again