Season 4
Episodes
1 Episode 1 Sep 30, 2009 
2 Episode 2 Oct 7, 2009 
3 Episode 3 Oct 14, 2009 
4 Episode 4 Oct 21, 2009 
5 Episode 5 Oct 28, 2009 
6 Episode 6 Nov 4, 2009 
7 Episode 7 Nov 11, 2009 
8 Episode 8 Nov 18, 2009 
9 Episode 9 Nov 25, 2009 
10 Episode 10 Dec 2, 2009 
11 Episode 11 Dec 9, 2009 
12 Episode 12 Jan 6, 2010 
13 Episode 13 Jan 13, 2010 
14 Episode 14 Jan 20, 2010 
15 Episode 15 Jan 27, 2010 
16 Episode 16 Feb 3, 2010 
17 Episode 17 Feb 10, 2010 
18 Episode 18 Mar 3, 2010 
19 Episode 19 Mar 10, 2010 
20 Episode 20 The Road to Riches : Dragons' Den Season 5 Season Finale Mar 17, 2010 
21 Episode 21: Greenvention Show May 30, 2010