- Previous episode S05E22 - Missing
- Number S05E23
- Writers Marc Guggenheim, Wendy Mericle
The battle between Oliver and Adrian Chase culminates in a final epic battle on Lian Yu. After recent events, Oliver decides to recruit a group of unlikely allies — Slade, Nyssa, Merlyn, and Digger Harkness — to defeat Chase. However, Chase has his own army – Black Siren, Evelyn Sharp, and Talia al Ghul.