9-1-1: Lone Star 4x16 "A House Divided" Season 4 Episode 16 Promo Trailer HD - When Tommy and Judd disagree on protocol during a rescue at paper mill, a full-on feud develops between the 126 EMS and Fire. Owen awaits news that could change his and T.K.’s lives forever in the all-new “A House Divided” episode of 9-1-1: Lone Star airing Tuesday, May 9th on FOX.