: The episode centers on the battle for Starling City against Slade's Mirakuru-enhanced army. Oliver is forced to decide whether he can truly be a hero without becoming a killer, ultimately choosing to cure Slade rather than kill him.
: The episode transitions Sara Lance back to the League of Assassins, passing her jacket (and the mantle) to Laurel. [S2E23] Unthinkable
: Manu Bennett's performance as Slade Wilson is frequently highlighted as a standout, providing a personal and menacing foil to Stephen Amell's Oliver Queen. Arrow Season 2 Finale Review: Unthinkable | Den of Geek : The episode centers on the battle for
: Reviewers from Den of Geek noted that the show was smart to "put a bow" on important pieces rather than cramming too much into its 45-minute runtime. It is often cited as the peak of the series' "street-level" superhero storytelling. Character Resolutions : : Manu Bennett's performance as Slade Wilson is
: The episode is notable for its large-scale choreography, featuring a "tunnel fight" where multiple heroes (Arrow, Canary, Nyssa al Ghul, and the League) take on Slade’s soldiers.
: While the finale was highly praised at the time, some fans look back on it with mixed feelings, as it introduced the "Olicity" romantic dynamic that would dominate much of Seasons 3 and 4, which some felt detracted from the show's darker tone. Production Highlights