"Call to Arms" is the 26th and final episode of the fifth season of the science fiction television series Star Trek: Deep Space Nine, the 124th episode overall. This episode marks the start of the show's celebrated Dominion war story arc. At the end of this episode, the Dominion captures Deep Space Nine; this leads into a six-episode story arc at the beginning of the sixth season depicting life on DS9 under Dominion occupation and Starfleet's efforts to retake the station. Many recurring characters make appearances in this episode, including Garak, Weyoun, Dukat, Martok, Leeta, and Ziyal.