Editor's Note: The following contains spoilers for the finale of Bosch: Legacy Season 3Bosch: Legacyhas come to an end with the much-awaited Season 3 finale finally dropping. While this seemingly marks the end of the reign of Titus Welliver's Harry Bosch, the episode sets up the Maggie Q spin-off series Ballard. In "Dig Down," Q's Renée Ballard shows up at Bosch's door, reopening the file of a cold case that Harry first investigated more than a decade ago. While an ongoing online petition may still bring Bosch back for another outing, Bosch: Legacy Season 3's finale hands the detective one final cold case to solve before the curtain falls.