Arrow 2x23 Extended Promo - Unthinkable [HD] Season Finale

Arrow Season 2 Episode 23 Extended Promo/Preview “Unthinkable“ Arrow Season 2 Finale Extended Promo/Preview “Unthinkable“ “Unthinkable“ Official Description: OLIVER MUST DECIDE ONCE AND FOR ALL IF HE’S A KILLER OR A HERO — Slade (Manu Bennett) moves forward with his plan to kill one more person in Oliver’s (Stephen Amell) life. While Oliver has fought all year to be more than the killer he once was, when Slade kidnaps someone close to Oliver’s heart, Oliver is pushed to the edge and realizes