Walker receives shocking news that changes everything. "Drive" is the 18th episode of the show's first season.

Walker and Micki investigate a bomb threat on Walker. "Dig" is the 17th episode of the show's first season.

DJ becomes a target of retaliation on Walker. "Bad Apples" is the 16th episode of the show's first season.

Mercedes tries to make amends with Micki on Walker. "Four Stones In Hand" is the 15th episode of the show's first season.

Captain James enlists the help of Micki and Trey to find a missing military veteran on Walker. "Mehar's Jacket" is the 14th episode of the show's first season.

Walker's past comes back to threaten his family on Walker. "Defend the Ranch" is the 13th episode of the show's first season.

The show flashes back to how the family dealt with Emily's death on Walker. "A Tale Of Two Families" is the 12th episode of the show's first season.

Geri and Walker are unsure of their feelings for one another on Walker. "Freedom" is the 11th episode of the show's first season.

Stella makes a dangerous decision on Walker. "Encore" is the tenth episode of the show's first season.

Walker (Jared Padalecki) and Captain James (Coby Bell) investigate a high stakes poker game where one of the players may have information on Emily's killer. However, the night takes a turn when Geri (Odette Annable) shows up to join the game. Meanwhile, Micki (Lindsey Morgan) takes August (Kale Culley) and Stella (Violet Brinson) on an unusual adventure.

Walker (Jared Padalecki) and Captain James (Coby Bell) investigate a high stakes poker game where one of the players may have information on Emily's killer. However, the night takes a turn when Geri (Odette Annable) shows up to join the game. Meanwhile, Micki (Lindsey Morgan) takes August (Kale Culley) and Stella (Violet Brinson) on an unusual adventure.

Walker (Jared Padalecki) and Captain James (Coby Bell) investigate a high stakes poker game where one of the players may have information on Emily's killer. However, the night takes a turn when Geri (Odette Annable) shows up to join the game. Meanwhile, Micki (Lindsey Morgan) takes August (Kale Culley) and Stella (Violet Brinson) on an unusual adventure.