Owen and the 126 race to emergencies at a fast food drive-thru, a high school wrestling match and a case of road rage – all with one common element tying them together. Meanwhile, Tommy’s estranged brother-in-law makes a surprise appearance in Austin, and Marjan confronts Capt. Strand about his anger management issues in the all-new “Impulse Control” episode of 9-1-1: LONE STAR airing Monday, April 18 (9:01-10:00 PM ET/PT) on FOX. (NLS-314) (TV-14 L, V)

Cast: Rob Lowe as Owen Strand; Gina Torres as Tommy Vega; Ronen Rubinstein as T.K. Strand; Sierra McClain as Grace Ryder; 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

Guest Cast: Amy Acker as Catherine; Nathan Owens as Julius Vega