Episode 17
S2:E17
2013
IMDb
"The Top 9 face another Invention Test but first, a Taste Test to determine who gets to choose the Invention Test's core ingredient. For their Taste Test the Top 9 have to identify fruit by taste, feel and smell, and they have to do it blindfolded! The blindfolded contestants are each given a piece of fruit which they have to identify by smelling and tasting."