Zelda attempts to forge a supernatural alliance, Sabrina and the gang work with Caliban, and Hilda's transformation takes a terrifying turn.

On the heels of tragedy, the Spellmans receive a grim omen. Blackwood seeks vengeance. Sabrina prepares for her final challenge against Caliban.

As an all-consuming darkness trickles into town, Sabrina grapples with feeling like the odd witch out — and makes a risky plan for a whirlwind trip.

A revolutionary attack divides the witches and mortals of Greendale, and Sabrina braces for a life-changing choice.

The lines between past, present and future blur as Sabrina stages an act of heroic restoration. But will her powers prove to be enough?

Sabrina recruits Roz for a crucial mission. Susie reconnects with her past. Lord Blackwood challenges Aunt Zela's authority.

As Hilda and Sabrina attempt to save Ambrose, Ms. Wardwell considers a crucial move, and a violent group of witch hunters targets the Church of Night.

An ominous discovery leads to a desperate search for answers -- and a risky spell for Sabrina. Meanwhile, Father Blackwood makes a bold announcement.

A disaster rattles the Greendale community. Desperate to help, Sabrina attempts a new kind of dark magic -- with the assistance of an unusual ally.

Ambrose treats Nick's affliction while Harvey and Theo tend to Roz. Meanwhile, Sabrina and Caliban continue in their unholy regalia challenge.

A legendary guest visits Spellman Mortuary. Ambrose explores a grim revelation, and Sabrina stuns the coven with a shocking announcement.

The coven prepares for an annual ritual as Harvey takes part in a Kinkle family tradition. Sabrina grows suspicious of Lady Blackwood.

In Greendale, Sabrina explores a new hobby ... and a disturbing duty. Elsewhere, Prudence and Ambrose continue their search for Father Blackwood.

In an alternate universe, Sabrina Morningstar meets a cast of familiar faces — and investigates the thin line between fact and fiction.

Sabrina takes a weekend trip. Father Blackwood poses a pivotal question. Roz and Susie stage an impromptu -- and unnerving -- sleepover.

Light and night cross paths once more as Greendale faces the Dark Lord's prophecy and Prudence challenges Father Blackwood's ruthless plan.

Sabrina visits a mysterious (and familiar) town. Zelda aims to restore order at the academy. A carnival creates buzz in Greendale. Theo takes a chance.

As Sabrina confronts a long line of family secrets, Harvey faces turmoil at home - and shares a secret of his own.

Harvey, Roz and Susie explore a mysterious force of evil. Sabrina digs deeper into Ms. Wardwell's intentions. Hilda pursues a new beginning.

During the Church of Night's celebration of the winter solstice, on the longest night of the year, families gather around the Yule fire to sing pagan carols and tell ghost stories. The holidays are also a time for guests and visitors — both welcome and unwelcome — and you never know who'll drop down the chimney.

On the heels of a most perplexing spectacle, Sabrina dives deeper into her newfound power, and Zelda slips into the role of Lady Blackwood.

A sinister guest visits Spellman Mortuary. Theo faces a cast of cruel critics, and Roz and Harvey pursue an extra-steamy school assignment.

Sabrina, Theo, Roz and others attempt to navigate the lines between fact, fiction and fate when a mysterious stranger sets up shop in Cerberus Books.

Sabrina recruits Roz, Harvey and Theo for an emotional mission. Prudence and Ambrose travel to New Orleans. Ms. Wardwell returns to Baxter High.

While Greendale readies for a Halloween eclipse, Sabrina faces a crucial decision and Harvey makes and unexpected declaration.