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Horizon
S45E8 · Are we Alone in the Universe?
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Episodes
E1
E1
How to Kill a Human Being
2008-01-15
E2
E2
Total Isolation
2008-01-22
E3
E3
What on Earth is Wrong With Gravity?
2008-01-29
E4
E4
Is Alcohol Worse than Ecstasy?
2008-02-05
E5
E5
How to Make Better Decisions
2008-02-12
E6
E6
How to Live to be 101
2008-02-19
E7
E7
Prof. Regan's Supermarket Secrets
2008-02-26
E8
E8
NOW
Are we Alone in the Universe?
2008-03-04
E9
E9
How Much is Your Dead Body Worth?
2008-03-18
E10
E10
How Does Your Memory Work?
2008-03-25
E11
E11
The President's Guide to Science
2008-09-16
E12
E12
How Mad Are You? (1 of 2)
2008-11-11
E13
E13
How Mad Are You? (2 of 2)
2008-11-18
E14
E14
Jimmy's GM Food Fight
2008-11-25
E15
E15
Do You Know What Time It Is?
2008-12-02
E16
E16
Allergy Planet
2008-12-09
E17
E17
Where's My Robot?
2008-12-16