Dracula 1x10 Finale "Let There Be Light" and Grimm 3x12 Promos

A public demonstration of Grayson's technology moves forward with catastrophic consequences. Lucy joins the ranks of the undead, Van Helsing exacts a terrible revenge upon Mr. Browning and Lady Jane and her huntsmen attempt to eradicate London of all vampires, culminating with a confrontation and battle-royal between her and Grayson. Finally, Mina discovers the secret of Grayson's obsessive love.

Nick (David Giuntoli) and Hank (Russell Hornsby) investigate a cop killer who scalps his victims. Meanwhile, Juliette (Bitsie Tulloch) begins to communicate with Nick's mom via email and Adalind (Claire Coffee) finds herself much closer to delivering her baby than she previously thought. Elsewhere, Monroe's (Silas Weir Mitchell) parents (guest stars Dee Wallace and Chris Mulkey) decide to surprise him and Rosalee (Bree Turner) with an early arrival to Portland after learning some exciting news.

Dracula & Grimm