S5·E20 Underneath
Core
Aired May 3, 2017
Synopsis
Oliver and Felicity get trapped in the bunker together, while Diggle and Lyla deal with marital issues.
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Frequently Asked Questions
When did Season 5 Episode 20 of Arrow air?
Season 5, Episode 20 ('Underneath') originally aired on May 3, 2017.
How long is Season 5 Episode 20 ('Underneath')?
The episode follows the standard broadcast runtime for Arrow.
What happens in Arrow Season 5 Episode 20?
Oliver and Felicity get trapped in the bunker together, while Diggle and Lyla deal with marital issues....