Supernatural, season 15

The final season is the show against its own author. Chuck, revealed as a hack god addicted to one story - two brothers, endless sacrifice - burns through drafts across the multiverse while the primary Sam and Dean work the one wound he has: a gun-shot Sam carries that links them, and a plan that keeps changing hands. Jack returns from the Empty by inches, under the Shadow's terms, carrying a secret mission from Billie - Death now, with a library where every ending is a book.

The season spends its legacy deliberately: Rowena takes hell's throne by dying well; Eileen is restored and matters; Adam gets his grievance aired; even Lucifer and Michael return for final, clarifying cameos. Billie's plan and Chuck's converge on a double cross - and the actual ending is stolen by neither: in the Empty's silence, Castiel finally says the thing he has meant for a decade, names his own happiness in the saying of it, and is taken. The show's most argued-about scene, played entirely as a gift.

The Chuck matter closes without a sword: Jack, made a power-sink, absorbs the blows of God and becomes the quiet replacement - hands-off by conviction, everywhere in the rain. Amara consents from within. Chuck ends human, unwritten, and left.

What remains is one ordinary hunt too many: a vampire nest, a rebar spike, and Dean talking his brother through a goodbye in a barn with no music under it. Sam gets the long life - a son named Dean, a dog, grey hair - and the bridge at the end holds them both again, older, at peace, the Impala parked in the sun.