Horizon - Seasons 11

Episode : 1

A Matter of Self-Defense

1974-01-07

Episode : 2

Bird Brain - The Mystery of Bird Navigation

1974-01-14

Episode : 3

Never Too Late to Learn

1974-01-21

Episode : 4

The Great Fish Hunt

1974-01-28

Episode : 5

Pedal Power

1974-02-04

Episode : 6

The Writing on the Wall

1974-02-11

Episode : 7

Where Did the Colorado Go?

1974-02-18

Episode : 8

The Future Goes Boom

1974-03-04

Episode : 9

Fusion: The Energy Promise

1974-03-11

Episode : 10

The First Ten Years

1974-04-22

Episode : 11

This Yankee Dodge Beats Mesmerism Hollow

1974-04-29

Episode : 12

The Hunting of the Quark

1974-05-06

Episode : 13

A Noah's Ark for Europe

1974-05-13

Episode : 14

Bridges: When It Comes to the Crunch

1974-06-03

Episode : 15

Search for Life

1974-06-10

Episode : 16

The Secrets of Sleep

1974-06-10

Episode : 17

Who Needs Skills?

1974-06-24

Episode : 18

Hills of Promise

1974-07-01

Episode : 19

The Race for the Double Helix

1974-07-08

Episode : 20

The Immigrant Doctors

1974-07-15

Episode : 21

Mines, Minerals and Men

1974-07-22

Episode : 22

What Price Steak?

1974-07-29

Episode : 23

Listen and Be Loyal

1974-08-05

Episode : 24

Adam or Eve?

1974-08-12

Episode : 25

An Unholy Scramble

1974-09-02

Episode : 26

Do as You Are Told

1974-10-28

Episode : 27

The First Signs of Washoe

1974-11-04

Episode : 28

The Other Way

1974-11-11

Episode : 29

The Greatest Advance Since the Wheel?

1974-11-25

Episode : 30

Joey

1974-12-09

Episode : 31

The Neglected Harvest

1974-12-16

Episode : 32

How on Earth Did They Do That?

1974-12-23

Episode : 33

The Lysenko Affair

1974-12-30