When did American Idol Season 9 Episode 18 air?
American Idol Season 9 Episode 18 aired on March 4, 2010.

Four more semifinalists - two girls and two boys - will be eliminated from the competition and sent home tonight after America's vote is revealed. Tune in to see if your favorites make the cut.
Direct answers for episode-level questions and details.
American Idol Season 9 Episode 18 aired on March 4, 2010.
This episode runs for approximately 85 minutes.
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