“9-1-1” made big moves in Thursday’s latest episode, including the reveal of what exactly is wrong with Hen, who’s been suffering from a mysterious, debilitating illness that got her fired from ...

Episode 8 of Season 9 with ridiculous calls, heartfelt character moments, and the ensemble firing on all cylinders.

"It has [my] voice, which is even scarier because it almost feels like a 'M3GAN' kind of situation," Hewitt tells PEOPLE of her character's reaction to an AI threat in this week's episode ...