2009 aired between 26 Jan 2009 and 22 Dec 2009, 18 episodes.
Episodes
E01
Why Are Thin People Not Fat?
26 Jan 2009
E02
Cannabis: The Evil Weed?
03 Feb 2009
E03
Why Do We Dream?
10 Feb 2009
E04
Can We Make a Star on Earth?
17 Feb 2009
E05
The Secret Life of Your Bodyclock
24 Feb 2009
E06
What's the Problem with Nudity?
03 Mar 2009
E07
How to Survive a Disaster
10 Mar 2009
E08
Who Do You Want Your Child to Be?
17 Mar 2009
E09
Why Can't We Predict Earthquakes?
24 Mar 2009
E10
Alan and Marcus Go Forth and Multiply
31 Mar 2009
E11
How Violent Are You?
12 May 2009
E12
Do I Drink Too Much?
22 Dec 2009
E13
The Secret You
22 Dec 2009
E14
Fix Me
22 Dec 2009
E15
Who's Afraid of a Big Black Hole?
22 Dec 2009
E16
Why Do We Talk?
22 Dec 2009
E17
How Long is a Piece of String?
22 Dec 2009
E18
How Many People Can Live on Planet Earth?
09 Dec 2009