Season 38 aired between 19 Oct 2010 and 20 Apr 2011, 18 episodes.
Episodes
E01
Building the Great Cathedrals
19 Oct 2010
E02
Emergency Mine Rescue
26 Oct 2010
E03
Trapped in an Elevator
02 Nov 2010
E04
Dogs Decoded
09 Nov 2010
E05
Secrets of Stonehenge
16 Nov 2010
E06
Quest for Solomon's Mines
23 Nov 2010
E07
Secrets Beneath the Ice
28 Dec 2010
E08
Deadliest Earthquakes
11 Jan 2011
E09
Making Stuff: Stronger
19 Jan 2011
E10
Making Stuff: Smaller
26 Jan 2011
E11
Making Stuff: Cleaner
02 Feb 2011
E12
Making Stuff: Smarter
09 Feb 2011
E13
Smartest Machine on Earth
09 Feb 2011
E14
Crash of Flight 447
16 Feb 2011
E15
Venom: Nature's Killer
23 Feb 2011
E16
Japan's Killer Quake
30 Mar 2011
E17
Power Surge
20 Apr 2011
E18
How Smart Are Animals?
09 Feb 2011