Walker, Cassie and Captain James team up to put Trey through the final stages of his training on Walker. "Wild Horses Couldn't Drag Me Away" is the fourth episode of the show's third season.

Walker Season 3 Episode 4 -- Wild Horses Couldn't Drag Me Down

Walker, Cassie and Captain James team up to put Trey through the final stages of his training on Walker. "Wild Horses Couldn't Drag Me Away" is the fourth episode of the show's third season.