The Best Episodes Written By Blythe Ann Johnson

Walker tries to make up for lost time and wants to be what Geri deserves. Cassie and Trey have their final interviews for the lieutenant position. Captain James advises Cassie and Trey. Stella discusses with Liam what she may want for her future. Bonham and Abby admit to each other what they really want for the next phase of their lives. August's graduation brings everyone together to celebrate.

While setting up protective detail on Trey, Captain James is shot and left in critical condition. Walker takes on the role of interim Captain and turns to an unlikely source for help.

Walker invites Gale Davidson to participate in the chili cookoff at the Side Step to try and make amends after years of their families feuding, however Abby isn't too pleased with the gesture. Micki and Trey work on reconciling their relationship when she comes home after her deep undercover operation.

During a would-be simple assignment, a misunderstanding causes Walker and Cassie to examine where they are in life and what lies ahead. Meanwhile, August strives to roll with the cool kids to disastrous results and Trey struggles with what being a Ranger means for his relationship with his mother.

As Cordell and Cassie dig deeper into the deaths of his military buddies, he uncovers some inconsistencies that may reveal truths he's not ready to face. Meanwhile, Trey is presented with a new opportunity, Captain James receives some news from Kelly, and Bonham is still at odds with the rest of the family.

The Walkers pull out all the stops to celebrate Abeline and Bonham's anniversary. Cassie finds a piece of her past and Cordell needs a favor from Geri.

It's a new day in Sanctum. Clarke, Octavia, Raven and Echo struggle with a new foe.