9-1-1 LONE STAR: Rob Lowe in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Gina Torres in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Rafael Silva in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Rafael Silva and guest star Neal McDonough in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Brian Michael Smith, Julian Works, Brianna Baker, Ronen Rubinstein and Jim Parrack in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Rob Lowe in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Guest star Rob Parks and Rob Lowe in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Rob Lowe, Gina Torres and guest star Amanda Schull in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Rob Lowe in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Rob Lowe, guest star Rob Parks and guest star Neal McDonough in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Rob Lowe, Jim Parrack, Gina Torres, Brian Michael Smith, Ronen Rubinstein, Brianna Baker and Julian Works in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Jim Parrack and Gina Torres in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Brian Michael Smith and Ronen Rubinstein in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Brianna Baker in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Rob Lowe in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: Gina Torres in the “This is Not a Drill” episode of 9-1-1 LONE STAR airing Tuesday, Feb 28 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.