Last week, the second 12 semi-finalists performed, and three contestants moved on to the Top 12. Tonight's episode features performances by the third group of 12 semi-finalists, and America will vote for their favorites. Performing Tonight Are: Alex Wagner-Trugman Arianna Afsar Felicia Barton Jorge Nuñez Ju'Not Joyner Kendall Beard Kristen McNamara Lil Rounds Nathaniel Marshall Scott MacIntyre Taylor Vaifanua Von Smith

In part two of this week's two-part episode, the contestants continue to adjust to their newly formed blue and black teams. They also meet Prevention Magazine editor Liz Vaccariello and take a pop quiz about health and aging. Then it's a grueling last chance workout leading up to weigh-in, after which another player is sent packing.

After the events of the first After the Final Rose, Chris Harrison catches up with Jason and Molly.

Painful memories surface for Dave as he and Julie confront the potentially heartbreaking results of tests on their unborn child.

Sam and the boys return from a road trip and discover that they have been fired from their jobs and evicted from their apartment. Meanwhile, Andi refuses to patch things up with Sam, and The Devil returns with a new assignment.

For one day, Mike's producers Piligian and Eddie Barbini try two dirty jobs themselves while Mike visits the doctor.

Inspector Murdoch happens on an old acquaintance when he has to investigate the murder of a working girl. Ettie Weston has climbed the social ladder and is now in charge of the Dance academy where one of her employees has been murdered. Murdoch first suspects a painter who has been quite enamored with the departed. But he also has to investigate a high profile client, judge Wilson and this is problematic.

Christian and Liz start their wedding preparations, and at the same time he is battling his cancer. Meanwhile, Ram trades in Kimber for a newer model, leading Kimber to go and confront Liz about her relationship with Christian.

Mason convinces Tony to allow his group to create a campaign for the potential Chicago Olympics. With the entire team assigned to the project, Mason and Erin have the opportunity to get away for the weekend, leaving Conner at the helm. Sarah and her new partner clash when their two very different lifestyles collide, making them both wonder what they each truly want in life.

When Toby rescues a young woman from a terrible car accident, he starts having disturbing visions of the son of the woman, who has gone missing. The woman is traumatized and scared for being kidnapped at gun point. As the worry for the situation of the child increases, Toby realizes that he is going to have to act fast to find a sense to the mental discords that are tormenting him.

Former Supreme Court justice Sandra Day O'Connor

Tonight Stephen welcomes chef and author of How to Cook Everything (Completely Revised 10th Anniversary Edition): 2,000 Simple Recipes for Great Food, Mark Bittman.

Rachel decides to leave the school as Maxine's death is mourned. The staff and pupils attempt to get Rachel to change her mind about leaving. Bolton has an important decision to make which ends up affecting Rachel's decision to leave.

Andrew and Meryl Ainslie attempt to build a house made from engineered timber with a zinc roof.