Watch Arrow Online: Season 6 Episode 16

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Why were the League of Assassins after Thea?

That was revealed on Arrow Season 6 Episode 16 when Nyssa Al Ghul made a return to Star City with shocking details about what they were planning for her. 

Meanwhile, a mystery box that Malcolm left behind became the topic of conversation and both factions went to war to find it first. 

Also, Oliver realized that his life was changing for good, and Nyssa stepped in to give him a pep talk. 

Use the video above to watch Arrow online right here via TV Fanatic. 

Get caught up with all the latest action on this CW drama. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Arrow Season 6 Episode 16 Quotes

Nyssa: I didn't start using a computer until I was 25.
Felicity: That explains a lot.

Oliver: I'm going to miss you so much.
Thea: You will be with me the whole time.