Lost in the Flood

Arrow – Season Four

Lost in the Flood

Episode #

422

U.S. Air Date

05.18.16

Written By

Brian Ford Sullivan &
Oscar Balderrama

Directed By

Glen Winter

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Oliver and Diggle infiltrate Damien Darhk’s underground “ark” to rescue Thea, who has been drugged and turned against them — while Lonnie Machin goes after Darhk and Ruvé. Felicity and her father race to secure A.R.G.U.S.’s nuclear command system, while Donna struggles with her ex’s presence in Felicity’s life.

U.S. air dates are in MM.DD.YY form. U.K. air dates are in DD.MM.YY form.

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OLIVER FIGHTS FOR THEA; DONNA SMOAK FACES OFF WITH NOAH KUTTLER

Following the shocking events in the previous episode, Oliver (Stephen Amell) and Diggle (David Ramsey) race to rescue Thea (Willa Holland), while Felicity (Emily Bett Rickards), Curtis (Echo Kellum) and Noah (guest star Tom Amandes) join together to stop Darhk (guest star Neal McDonough).

Glen Winter directed the episode written by Brian Ford Sullivan & Oscar Balderrama (#422).