Owen begins to question Judd’s sobriety when 911: Lone Star returns from hiatus on Jan. 20. The episode, titled “All Who Wander” sees Owen’s doubts grow after witnessing Judd quite literally walking straight into the line of fire — an armory on fire with bullets flying everywhere. Meanwhile, Marjan introduces her boyfriend Joe (guest star John Clarance Stewart) to her visiting parents, Waleed (Michael Benyaer) and Nasreen (Anne Nahabedian), but their dinner doesn’t go as smoothly as she hoped.

9-1-1: Lone Star stars Rob Lowe as Owen Strand; Gina Torres as Tommy Vega; Ronen Rubinstein as T.K. Strand; Jim Parrack as Judd Ryder; Natacha Karam as Marjan Marwani; Brian Michael Smith as Paul Strickland; Rafael Silva as Carlos Reyes; Julian Works as Mateo Chavez; Brianna Baker as Nancy Gillian; Jackson Pace as Wyatt Harris; Skyler Yates as Evie Vega, and Kelsey Yates as Izzy Vega. Guest Cast in “All Who Wander” include John Clarance Stewart as Joe; Michael Benyaer as Waleed; and Anne Nahabedian as Nasreen.