Before Sam and Dean, there was John and Mary. Told from the perspective of narrator Dean Winchester, this is the epic, untold love story of how John met Mary, and how they put it all on the line to not only save their love, but the entire world. Top Cast: Meg Donnelly, Nida Khurshid, Drake Rodger, Demetria McKinney, Bianca Kajlich, Jojo Fleites

Here are the best new and returning TV shows to stream in October, including the second seasons of "The Diplomat" and "Shrinking," the thriller "Disclaimer," and more.

In the mood to watch something that's informative and thought-provoking? Something with eye-opening insights or compelling real-life stories? Hulu has plenty of documentary TV shows to choose from, including Brawn: The Impossible Formula 1 Story and Thank You, Goodnight: The Bon Jovi Story. Check out more Hulu streaming choices below.