The first episode of Bodyguard is streaming on Netflix, and as soon as it starts, you'll see why it's so popular. It stars Richard Madden as Sgt. David Budd, an Afghanistan vet turned cop breaks out in sweat six minutes into the first hour.

He's on a train with his two kids when he has to get into cop mode to track down a suicide bomber. He has to talk her down from detonating her vest. A nail-biting search morphing into a tense negotiation at the beginning is a perfect example of what Bodyguard is at its most potent: gripping, nerve-rattling, can't-look-away TV.