Horizon: 1990
Season 27 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Horizon Season 26.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 27 Progress Shield
Oil Spill
Jan 8, 1990 · 60 min
After the Exxon Valdez oil spill in 1989, Horizon looks at tanker design and the technology used for dealing with major oil slicks.
Medicine 2000
Jan 15, 1990 · 60 min
Horizon reports on medical developments in Britain which could mean by the year 2000, health care will be very different.
Food Irradiation: Would You Buy It?
Jan 22, 1990 · 60 min
Horizon examines the history of research into irradiated food.
From Earth to Miranda
Jan 29, 1990 · 60 min
In this Horizon documentary, we look at how NASA launched the Voyager space probes to explore the planets of the outer solar system.
Encounter With Neptune
Feb 5, 1990 · 60 min
This report by Horizon presents the Voyager space probe close up encounter with the planet Neptune.
Guess What's Coming to Dinner?
Feb 12, 1990 · 60 min
Horizon looks at the potential implications of genetically engineering plants.
The First 14 Days
Feb 19, 1990 · 60 min
Horizon brings you a documentary on embryology - the branch of biology that studies the formation and early development of living organisms from the moment of conception.
The 10,000 Year Test
Mar 5, 1990 · 60 min
Horizon reports on how America has chosen to bury all of its most lethal radioactive waste under Yucca mountain in the state of Nevada.
Hurricane!
Mar 12, 1990 · 60 min
Horizon explores the inside of Hurricane Gilbert as it neared Jamaica on a direct course for the United States.
The Britannic Greenhouse
Mar 19, 1990 · 60 min
Horizon investigates how British scientists have begun to experiment to predict the effects of a changing climate from Greenhouse gases.
The Quake of '89 - The Final Warning?
Apr 2, 1990 · 60 min
Horizon presents the real story of seismic neglect and the failure of the San Francisco city government to protect its citizens.
The Sharpest Shot of the Universe
Apr 9, 1990 · 60 min
In this episode, Horizon looks at the Hubble space telescope, hailed as the greatest advance in astronomy since Galileo.
The Company of Ants and Bees
Apr 23, 1990 · 60 min
What can we learn from insects? Professor James Gould explains on Horizon that the human society may be able to predict their own future based on the society structure of ants and
The Intelligent Island
Apr 30, 1990 · 60 min
This Horizon documentary looks at the radical transformations in the Singapore society as its technology extends into monitoring, logging, and linking up all businesses, informatio
Legacy of a Volcano
May 14, 1990 · 60 min
Horizon looks at the area around Mt. St. Helens 10 years after the volcanic eruption that devastated more 500 square kilometres of forest land in just minutes.
Do Cows Make You Mad?
May 21, 1990 · 60 min
This episode of Horizon is about BSE transmitted in cattle feed and causing the fatal Creutzfeldt-Jakob syndrome in humans.
The Child Mothers
Jun 4, 1990 · 60 min
Horizon investigates how teenage pregnancy is now posing massive health and social problems in many societies.
Signs of Life
Jun 11, 1990 · 60 min
Horizon examines the possibility of scientists, either intentionally or unintentionally, creating living forms which could enjoy an independent existence, initially confined to com
AIDS: A Quest for a Cure
Jun 25, 1990 · 60 min
Horizon investigates new breakthroughs in the scientific study, analysis, and reproduction of cells and their compounds, which may lead to the development of a cure for the AIDS vi