This Sunday, don't forget to tune in to "Homeland" season 5, episode 4, where Quinn has finally captured Carrie - and he comes at her a knife. Will he really hurt her? Find out where to watch a free live stream online of "Homeland" season 5, episode 4 here.

If you can't make it to your TV Sunday night to catch "Homeland" season 5, episode 4 titled "Why Is This Night Different?" on Showtime, you can watch the free live stream online by clicking here.

Another option is Showtime Anytime, which is available with your subscription to Showtime, or you can watch the premiere on a free stream online via the Showtime website, which posts the most recent episode of "Homeland" the day after it airs.

The official synopsis for the "Homeland" season 5, episode 4 reads: "Answers elude Carrie; Laura asks Jonas for help; Saul and Allison run an operation."

Spoilers reveal that Carrie wakes up in Quinn's hideout with her hands tied up. And while Carrie is at first relieved to see Quinn, she freaks out when he comes at her with a knife and asks her why she's on Saul's kill list.

But Quinn is still on Carrie's side after all this time - watch closely to the promo preview sneak peek video below and you'll notice that Quinn uses the knife to cut his own hand to smear his blood on Carrie's face.

Is he covering up the fact that he won't hurt Carrie, despite his instructions? You'll have to click on the live stream this Sunday to find out!

Don't forget to tune in to Showtime on Sunday, Oct. 25 on Showtime at 9:00 PM ET to catch all the excitement.