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Seasons:

• Specials
• 1
• 2
• 3
• 4
• 10
• 15
• 18
• 19
• 20
• 22
• 23
• 24
• 25
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 1964
• 1965
• 1966
• 1967
• 1968
• 1969
• 1970
• 1971
• 1972
• 1973
• 1974
• 1975
• 1976
• 1977
• 1978
• 1979
• 1980
• 1981
• 1982
• 1983
• 1984
• 1985
• 1986
• 1987
• 1988
• 1989
• 1990
• 1991
• 1992
• 1993
• 1994
• 1995
• 1996
• 1997
• 1998
• 1999
• 2000
• 2001
• 2002
• 2003
• 2004
• 2005
• 2006
• 2007
• 2008
• 2009
• 2010
• 2011
• 2012
• 2013

Click on the episodes to view their description, air date and rating

1  Back from the Dead

2  The Death of the Oceans

3  What Happened Before the Big Bang?

4  Is Seeing Believing?

5  Miracle Cure? A Decade of the Human Genome

6  Asteroids - The Good, the Bad and the Ugly

7  Deepwater Disaster - The Untold Story

8  What is One Degree?

9  What is Reality?

10  Science Under Attack

11  The Secret World of Pain

12  Surviving a Car Crash

13  How to Mend a Broken Heart

14  Are We Still Evolving?

15  Predators in Your Backyard