Caity Lotz as The Black Canary
The Canary arrives in Starling City. She doesn't take long to reveal herself to Oliver Queen as Sara Lance.
A Criminal From the Past
Laurel struggled all season with Tommy's death and drinking. She went from one of the most loathed characters to someone to cheer.
Return of The Count
It becomes apparent that big name special guest stars don't have the disired affect when Seth Gabel as The Count is another on and gone baddie.
Moira on Trial
Moira stands trial for her part in the Undertaking, but is set free.
Grant Gustin as Barry Allen
Barry Allen is introduced, gets on well with Team Arrow, romances Felicity and later gets struck by lightning -- spawning sister series The Flash.
Roy Is Struggling
Roy is shot full of Mirakuru and trained by the Arrow. He's accepted into Arrow's world and eventually cured of Mirakuru.
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