Season 1
Oliver Queen returns to Starling city after being deserted on a hellish island for five years. He decides to become a mask wearing vigilante to fulfil his father's wishes and rid the city of crime. In his journey to do so, he is forced to make tough decisions even as he makes new friends and even more enemies which continue question his lethal ways of controlling crime.
Episodes
1 Pilot Oct 10, 2012 
2 Honor Thy Father Oct 17, 2012 
3 Lone Gunmen Oct 24, 2012 
4 An Innocent Man Oct 31, 2012 
5 Damaged Nov 7, 2012 
6 Legacies Nov 14, 2012 
7 Muse of Fire Nov 28, 2012 
8 Vendetta Dec 5, 2012 
9 Year's End Dec 12, 2012 
10 Burned Jan 16, 2013 
11 Trust But Verify Jan 23, 2013 
12 Vertigo Jan 30, 2013 
13 Betrayal Feb 6, 2013 
14 The Odyssey Feb 13, 2013 
15 Dodger Feb 20, 2013 
16 Dead to Rights Feb 27, 2013 
17 The Huntress Returns Mar 20, 2013 
18 Salvation Mar 27, 2013 
19 Unfinished Business Apr 3, 2013 
20 Home Invasion Apr 24, 2013 
21 The Undertaking May 1, 2013 
22 Darkness on the Edge of Town May 8, 2013 
23 Sacrifice May 15, 2013