Season 4 / Episode 21
As Darhk launches his cataclysmic plot, Oliver and the team turn to Felicity's father to thwart it. But H.I.V.E. also has him in their sights.
Genre - TV Action & Adventure/US TV Shows
Running Time - 41min
Original Air Date - Wednesday 20th October 2021
Official Streaming Services
|► Watch on Netflix Australia|
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