Season 51 aired between 13 Oct 2011 and 08 Apr 2012, 18 episodes.
Episodes
E01
The Nano Revolution: Welcome to Nano City
13 Oct 2011
E02
The Nano Revolution: More Than Human
20 Oct 2011
E03
The Nano Revolution: Will Nano Save the Planet?
27 Oct 2011
E04
Jungle Prescription
10 Nov 2011
E05
Emperor's Lost Harbour
17 Nov 2011
E06
Myth or Science
24 Nov 2011
E07
Waking the Green Tiger
01 Dec 2011
E08
The Autism Enigma
08 Dec 2011
E09
Programmed to be Fat?
12 Jan 2012
E10
Surviving :) The Teenage Brain
19 Jan 2012
E11
Mysteries of the Animal Mind
26 Jan 2012
E12
The American Tiger
02 Feb 2012
E13
MS Wars: Hope, Science and the Internet
09 Feb 2012
E14
Suzuki Diaries: Future City
16 Feb 2012
E15
Journey to the Disaster Zone: Japan 311
23 Feb 2012
E16
The Perfect Runner
15 Mar 2012
E17
Smarty Plants: Uncovering the Secret World of Plant Behaviour
22 Mar 2012
E18
Polar Bears: A Summer Odyssey
08 Apr 2012