"Sacrifice of Angels" is the sixth episode from the sixth season of Star Trek: Deep Space Nine, 130th episode overall. The episode's plot details the efforts of the United Federation of Planets to retake space station Deep Space Nine from the forces of the Dominion. This is the second half of a two-part episode, continuing the story immediately from the end of the previous episode, "Favor the Bold". The episode features a large guest cast and numerous VFX scenes with spacecraft.