Walker 4x09 "A History of Horrors and Other Tales" Season 4 Episode 9 Promo Trailer HD - THE MISSING THREAD - Geri (Odette Annable) discussed her new business venture with Walker (Jared Padalecki), but there is more to her return. James (Coby Bell), Cassie (Ashley Reyes) and Trey (Jeff Pierre) appear to make some headway in their investigation. Meanwhile, Stella (Violet Brinson) and August (Kale Culley) make a startling discovery. Lastly, Bonham (Mitch Pileggi) and Abby (Molly Hagan) have differing views about their retirement plans, with Liam (Keegan Allen) serving as a referee. Phil Hardage directed the episode written by Blythe Ann Johnson (409). Original airdate 5/29/2024.