Have you ever finished an episode of your favorite show feeling completely shocked, desperate to know what happens next? That's the magic of a cliffhanger, and it's a powerful tool TV writers use to keep you hooked.
The latest NCIS season finale left fans on a massive cliffhanger, sparking tons of online discussion and searches for what it means.
The Season 21 finale of NCIS, titled 'Reef Madness,' ended with a major character, Alden Parker, in a life-threatening situation.