| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S2009E01 | Why Are Thin People Not Fat? |
January 26, 2009
BBC Two
|
60 | |
| S2009E02 | Cannabis: The Evil Weed? |
February 3, 2009
BBC Two
|
60 | |
| S2009E03 | Why Do We Dream? |
February 10, 2009
BBC Two
|
60 | |
| S2009E04 | Can We Make a Star on Earth? |
February 17, 2009
BBC Two
|
60 | |
| S2009E05 | The Secret Life of Your Bodyclock |
February 24, 2009
BBC Two
|
60 | |
| S2009E06 | What's the Problem with Nudity? |
March 3, 2009
BBC Two
|
60 | |
| S2009E07 | How to Survive a Disaster |
March 10, 2009
BBC Two
|
60 | |
| S2009E08 | Who Do You Want Your Child to Be? |
March 17, 2009
BBC Two
|
60 | |
| S2009E09 | Why Can't We Predict Earthquakes? |
March 24, 2009
BBC Two
|
60 | |
| S2009E10 | Alan and Marcus Go Forth and Multiply |
March 31, 2009
BBC Two
|
60 | |
| S2009E11 | How Violent Are You? |
May 12, 2009
BBC Two
|
60 | |
| S2009E12 | Do I Drink Too Much? |
October 13, 2009
BBC Two
|
60 | |
| S2009E13 | The Secret You |
October 20, 2009
BBC Two
|
60 | |
| S2009E14 | Fix Me |
October 27, 2009
BBC Two
|
60 | |
| S2009E15 | Who's Afraid of a Big Black Hole? |
November 3, 2009
BBC Two
|
60 | |
| S2009E16 | Why Do We Talk? |
November 10, 2009
BBC Two
|
60 | |
| S2009E17 | How Long is a Piece of String? |
November 17, 2009
BBC Two
|
60 | |
| S2009E18 |
How Many People Can Live on Planet Earth?
season finale
|
December 9, 2009
BBC Two
|
60 |
No artwork of this type.
No artwork of this type.
