Elysia Rotaru

Oliver and the team uncover HIVE's plan to take out Team Arrow once and for all. With HIVE's next attack imminent, Lance wonders if Donna is safer without him in her life. Meanwhile, with the wedding fast approaching, Oliver begins to feel guilty that he hasn't told Felicity about his son.

Oliver receives an offer from Nyssa that is hard to refuse. Meanwhile, Thea continues to battle her blood lust, and Malcolm steps in to help his daughter. Laurel has a heart-to-heart talk with Nyssa.

Oliver must deal with the devastating consequences of Darhk's last attack. Seeking revenge, Oliver goes on a brutal manhunt looking for Dahrk.

In the season four finale, Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all.

Team Green Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Meanwhile, Thea's bloodlust returns and she loses control in front of Alex (guest star Parker Young).

Clark and Lois head out of town for a romantic getaway but their plans are thwarted when they run into Chloe and Oliver at a bed and breakfast inn; Tess faces off with Zod.