Arrow
S06E15 Doppelganger
Oliver and Thea are taken aback by the news of Roy Harper’s return to Star City. As they learn more about the situation surrounding his arrival, they quickly recognize that Roy is in danger and rush to his aid. Meanwhile, Black Siren makes a surprising choice that leaves everyone reeling.
Season 6 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
19
20
21
22
23
Fallout
Tribute
Next of Kin
Reversal
Deathstroke Returns
Promises Kept
Thanksgiving
Crisis on Earth-X (II)
Irreconcilable Differences
Divided
We Fall
All for Nothing
The Devil's Greatest Trick
Collision Course
Doppelganger
The Thanatos Guild
Brothers in Arms
Fundamentals
The Dragon
Shifting Allegiances
Docket No. 11-19-41-73
The Ties That Bind
Life Sentence