Oliver faces a new vigilante who reminds him of his killing days when he first returned from the island. Meanwhile, Quentin tells Thea about his blackouts, and Prometheus makes contact with his mole. In the past, Kovar tells Oliver about his new arrangement with the Bratva.moreless
Oliver realizes that Prometheus' current murder spree is based on his own killings when he first returned from the island... and keeps the information from the recruits. When they find out anyway, they're none too happy. Meanwhile, Felicity uses her relationship with Billy to steal evidence, and wonders whether to come clean with him about her second life.moreless
A competitive blood drive causes infighting with the employees of TelAmeriCorp.
The guys each get a supercar this week and are given a set of challenges to complete on their coast to coast journey.
Host Eric Andre is visited by Dolph Lundgren and George Clooney.
Chuck and Morgan try to find Chuck's mother, while Sarah and Casey investigate a Russian operative.