Arrow - 1x23

: 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.

: 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. Arrow 1x23

" 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. : On Lian Yu, the flashbacks conclude with

: The episode's destruction of the Glades and Tommy’s death set the darker tone for Season 2 and fundamentally shifted Oliver’s mission from "vengeance" to "heroism". " Sacrifice " is the high-stakes Season 1

You can find more detailed reviews and community discussions on platforms like the Primetimer Forums or the Arrow Wiki .

: Oliver and Diggle infiltrate Merlyn Global to stop Malcolm. This leads to a brutal rooftop battle between Oliver and Malcolm (the Dark Archer). While Oliver eventually gains the upper hand, Malcolm reveals he has a second earthquake machine as a redundancy.

: Malcolm Merlyn (initially presumed dead after being stabbed by Oliver) and Tommy Merlyn.

: 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.

: 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.

" 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.

: The episode's destruction of the Glades and Tommy’s death set the darker tone for Season 2 and fundamentally shifted Oliver’s mission from "vengeance" to "heroism".

You can find more detailed reviews and community discussions on platforms like the Primetimer Forums or the Arrow Wiki .

: Oliver and Diggle infiltrate Merlyn Global to stop Malcolm. This leads to a brutal rooftop battle between Oliver and Malcolm (the Dark Archer). While Oliver eventually gains the upper hand, Malcolm reveals he has a second earthquake machine as a redundancy.

: Malcolm Merlyn (initially presumed dead after being stabbed by Oliver) and Tommy Merlyn.