9-1-1 LONE STAR: L-R: Sierra McClain and William Allen Young in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Scott Everett White/FOX.

9-1-1 LONE STAR: L-R: Sierra McClain, Jim Parrack, guest star Lauryn McClain and guest star China McClain in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Scott Everett White/FOX.

9-1-1 LONE STAR: L-R: Guest star Lauryn McClain, guest star China McClain, Jim Parrack, guest star Barbara Harris and Sierra McClain in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Scott Everett White/FOX.

9-1-1 LONE STAR: Rob Lowe in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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, Rob Lowe, Jim Parrack, Julian Works and Natacha Karam in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Gina Torres, Rob Lowe and Brianna Baker in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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 "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Gina Torres and Ronen Rubinstein in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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 "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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, guest star Clarke Thorell, Brianna Baker, Ronen Rubinstein and Gina Torres in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Natacha Karam, Brian Michael Smith and Julian Works in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.

9-1-1 LONE STAR: L-R: Sierra McClain and guest star Barbara Eve Harris in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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 Marcos De Silva, Jim Parrack, Sierra McClain and guest star Barbara Eve Harris in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (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 Sierra McClain in the "Open" episode of 9-1-1 LONE STAR airing Tuesday, Apr 18 (8:00-9:01 PM ET/PT) on FOX. © 2023 Fox Media LLC. CR: Kevin Estrada/FOX.