The Top 12 female semifinalists take the American Idol stage for the first time to perform live for the judges and for the nation. On this season's first night of voting, the contestants will sing their hearts out in hopes of winning America's vote and surviving another week in the competition.

Hurley asks Jack to come with him at the behest of Jacob, while Jin is forced to watch as Claire interrogates Justin about the location of her son. Meanwhile, in another life, Jack meets the son he never knew.

Mike takes a humorous look back at each crew member's valuable role in bringing Dirty Jobs to air.

After a fellow constable is murdered in Chinatown, Murdoch is put in charge of the investigation. Not everyone is happy about this.

When a city train derails, there are dozens of injuries and several bodies found in the wreckage. But one of the female victims remains unidentified. The Forgotten Network follows her journey, which leads them to a secret society of roving nightclubs. Was Jane Doe killed in the crash, or is someone using a city's tragedy to cover up an even deeper mystery that led to her death.

An old rival dares Neal to make a fake copy of a bottle of wine originally owned by President Ben Franklin.

A war breaks out between BMS' lacrosse and football teams. Sammy's new virgin girlfriend steps up to end the war.

- New credit card legislation takes effect along with new credit card company methods and fees to make money
- Toyota's acceleration problems

Guest:
Comedian Jeff Garlin talks about his new book My Footprint: Carrying the Weight of the World.

Shaun White