Season 0 of Arrow premiered on 2013-10-02.

Season 1

7.7

.

2012

.

23 Episodes

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.

Season 2

7.9

.

2013

.

23 Episodes

Sworn to fight crime and corruption in his city, Oliver Queen – with the help of tech-savvy Felicity Smoak and his iron-fisted right hand, John Diggle – narrowly averts the rich and powerful's "Undertaking" as the Dark Archer rocked Queen's world in the first season finale of ARROW. But who's going to pick up the pieces? In Season Two, see how Oliver Queen goes from Hood to Hero!

Season 3

7.7

.

2014

.

23 Episodes

Protecting his city from crime and corruption, vigilante hero Oliver Queen (aka The Green Arrow) uses his formidable combat skills and marksmanship to go up against lethal foes including Deathstroke, Ra's al Ghul and Damien Darhk's HIVE, becoming a beacon of hope for all in need.

Season 4

7.2

.

2015

.

23 Episodes

After defeating his most formidable foe to date, Oliver Queen left Starling City with the hopes of beginning a new life with longtime flame Felicity Smoak. But will Oliver ever truly be able to leave behind his past as the Arrow, and, if so, what becomes of his team? Will Diggle, Thea, and Laurel continue the crusade? And with Malcolm Merlyn leading the League of Assassins is anyone really safe?

Season 5

7.5

.

2016

.

23 Episodes

Protecting his city from crime and corruption, vigilante hero Oliver Queen uses his formidable combat skills and marksmanship to go up against lethal foes including Deathstroke, Ra's al Ghul and Damien Darhk and Prometheus, becoming a beacon of hope for all in need.

Season 6

7.4

.

2017

.

23 Episodes

After last season’s emotional showdown between Oliver Queen and Adrian Chase, the focus shifts into uncovering the fate of each and every member of Team Arrow – with their futures left hanging precariously in the balance. Having finally solidified and strengthened his crime-fighting team, the Green Arrow might be forced to rethink his relationships with his “family” in Season 6.

Season 7

7.5

.

2018

.

22 Episodes

In Season Seven, Oliver Queen will find himself vulnerable in a way unlike ever before when a mysterious new enemy begins to unravel his work as Green Arrow, forcing him to redeem his name or risk losing everything.

Season 8

8

.

2019

.

10 Episodes

Following the arrival of The Monitor, Oliver Queen left his home, his family, & his team behind to take on his most challenging battle yet, knowing the cost may be his life. But this time it’s not just his city he’s seeking to protect – it’s the entire multiverse. Oliver’s quest will send him on a journey where he is forced to confront the ultimate question: what is the true cost of being a hero?