November Sweeps Preview: Scoop on Castle, Vampire Diaries, The Blacklist, Quantico, Gotham, NCIS and More

November Sweeps 2015

It may seem as if the Fall TV season only just began, but the traditionally twist-filled November Sweeps period is upon us already, starting Thursday, Oct. 29 and running through Wednesday, Nov. 25.

What buzzy storylines do Castle, NCIS, The Vampire Diaries, Gotham and The Blacklist have on tap for the quarterly ratings grab? How will Quantico, Nashville, Grimm and other favorites heat up your screen before winter hits?

UPDATE 10/27: Grey’s Anatomy and Scandal added.
UPDATE 10/27: Once Upon a Time added.
UPDATE 11/3: Empire and How to Get Away With Murder added!

In the slideshow below (click here for direct access), TVLine offers a handy guide to spoilers for those shows and others. Be sure to follow us on Twitter for alerts to when we add Once Upon a Time, Arrow and more.