Mind=Blown! mongd66 posted this epic “Cross Whedonverse Universal Slayer” fan theory that ties together many of Joss Whedon’s classic tv shows and movies, including Buffy the Vampire Slayer, Angel, The Cabin in the Woods, and of course Firefly / Serenity:
Source: mongd66
The Dollhouse section is missing.
Dollhouse is an attempt by the initiative to find a slayer alternative without the need for ancient bloodlines or being selected by the powers that be.