Arrow
Tuesdays 9:00 PM on The CW
When you watch Arrow Season 4 Episode 21 online, you'll find out what happens when Felicity brings her dad on board to help save the world from Darhk.
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Episode Details
On Arrow Season 4 Episode 21, Felicity seeks help from her father to try to stop Damien Darhk from destroying the world with nuclear missles.
- Show:
- Arrow
- Season:
- Arrow Season 4
- Episode Number:
- 21
