is the ninth episode of the first season of the CW series Walker , starring Jared Padalecki as Cordell Walker. First airing on April 15, 2021 , this episode serves as a pivotal mid-season finale that finally reveals the truth behind the murder of Walker's wife, Emily. Episode Overview Title: Rule Number 17 Original Air Date: April 15, 2021 Written By: Bret VandenBos and Brandon Willer Directed By: Steve Robin Key Plot Points