Arrow 1x23 May 2026

" Sacrifice " is the high-stakes Season 1 finale of Arrow , delivering a tragic and game-changing conclusion to the show's debut year. The episode focuses on Oliver Queen’s desperate attempt to stop Malcolm Merlyn’s "Undertaking," a plan to level the Glades using a man-made earthquake.

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: On Lian Yu, the flashbacks conclude with Oliver, Slade Wilson, and Shado successfully stopping Fyers from shooting down a commercial airliner, though the victory is bittersweet as they remain stranded. " Sacrifice " is the high-stakes Season 1

: In the ensuing chaos, Laurel becomes trapped in her legal aid office. Tommy Merlyn rushes in to save her. He manages to get her to safety but is pinned by falling debris. Oliver arrives to find Tommy dying; the two reconcile their friendship before Tommy passes away, a death that deeply traumatizes Oliver. : On Lian Yu, the flashbacks conclude with

: Detective Lance, with help from Felicity, manages to disarm the first device located under the Merlyn Global building. However, the second device, hidden elsewhere in the Glades, successfully triggers.