'Chilling Adventures Of Sabrina' Part 4 Release Date, Plot Revealed [Spoilers]

"Chilling Adventures of Sabrina" Part 4 marks the end of Roberto Aguirre-Sacasa's Netflix series. The fourth and final season starring Kiernan Shipka will release on New Year's Eve.

Meanwhile, the streaming giant has dropped a brand new trailer for the "Riverdale" spinoff and it promises nothing but "chilling adventures" before it could "end all things." The promo that the show will go out with a bang.

As Sabrina continues her struggle to choose between the dark forces and her human world, she will be facing old enemies as Faustus Blackwood returns. In addition, Eldritch Terrors, the ancient, world-destroying beings, arrive, leading up to the biggest threat of all to the witches and mortals of Greendale.

The trailer opens with Sabrina celebrating her birthday with her family and coven. Just when she is about to blow the candle, Sabrina realizes that something is wrong. It is revealed that the Eldritch Terrors have arrived at Greendale. Ambrose tells everyone that they are the ancient beings who are about to bring destruction "culminating with the arrival of The Void" and "the end of all things."

Sabrina certainly has a plan as she proposes to visit her doppelganger, Sabrina Morningstar, in hell and seek her help to stop the darkness.

"The final chapter is one hell of a ride," promises the promo. Her coven and human friends join forces to face the terrors and stop the destruction. But before that happens, things are about to get explosive in Greendale.

Deadline reports that the "Chilling Adventures of Sabrina" Part 4 consists of eight-episode and it will see the arrival of some of the most dangerous Eldritch Terrors, namely the Weird, the Returned and the Darkness. At the same time, expect sparks flying between Sabrina and Nick as they reunite for the "endgame."

The cast of "Chilling Adventures of Sabrina" Part 4 also includes Miranda Otto (Aunt Zelda), Ross Lynch (Harvey Kinkle), Lucy Davis (Aunt Hilda), Chance Perdomo (Ambrose Spellman), Michelle Gomez (Mary Wardwell), Jaz Sinclair(Roz), Gavin Leatherwood (Nick) and Tati Gabrielle (Prudence). Series developer Roberto Aguirre-Sacasa will continue to serve as the executive producer.

It will release Dec. 31 on Netflix.