The Amazing Race Season 17 Episode 5 (The Amazing Race s17e05) with title “Tastes Like a Million Dollars – Leg 5 – Ushuaia (Martial Glacier), Argentina → Maputo, Mozambique” aired on Sunday, October 24th 2010 at 08:00 pm via CBS Network.
Here is summary for The Amazing Race Season 17 Episode 5 :

A vegetarian contestant struggles when faced with a Norwegian delicacy; teams face their fears of heights.