Horizon - Seasons 27

Episode : 1

Oil Spill

1990-01-08

Episode : 2

Medicine 2000

1990-01-15

Episode : 3

Food Irradiation: Would You Buy It?

1990-01-22

Episode : 4

From Earth to Miranda

1990-01-29

Episode : 5

Encounter With Neptune

1990-02-05

Episode : 6

Guess What's Coming to Dinner?

1990-02-12

Episode : 7

The First 14 Days

1990-02-19

Episode : 8

The 10,000 Year Test

1990-03-05

Episode : 9

Hurricane!

1990-03-12

Episode : 10

The Britannic Greenhouse

1990-03-19

Episode : 11

Cold Fusion

1990-03-26

Episode : 12

The Quake of '89 - The Final Warning?

1990-04-02

Episode : 13

The Sharpest Shot of the Universe

1990-04-09

Episode : 14

The Company of Ants and Bees

1990-04-23

Episode : 15

The Intelligent Island

1990-04-30

Episode : 16

Legacy of a Volcano

1990-05-14

Episode : 17

Do Cows Make You Mad?

1990-05-21

Episode : 18

The Child Mothers

1990-06-04

Episode : 19

Signs of Life

1990-06-11

Episode : 20

AIDS: A Quest for a Cure

1990-06-25