The Canary arrives in Starling City. She doesn't take long to reveal herself to Oliver Queen as Sara Lance.

Laurel struggled all season with Tommy's death and drinking. She went from one of the most loathed characters to someone to cheer.

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 stands trial for her part in the Undertaking, but is set free.

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 shot full of Mirakuru and trained by the Arrow. He's accepted into Arrow's world and eventually cured of Mirakuru.

The League of Assassins comes for Sara, and Nyssa reveals a little secret about their personal life.

Fans everywhere watch anxiously with each step closer to Felcity Oliver takes. Undeniable chemistry!

The full history of Slade's plan for Oliver comes to light during a flashback to the Island and the freighter. He's completely bonkers.

Slade infiltrated the Queen mansion, not only helping his rise to power, but eventually causing his downfall.

Helena returned, only to be taken to prison. She learned a valuable lesson along the way.

Laurel eventually learns the identity of both the Arrow and the Canary.

Part of Slade's plan was to use Isabel Rochev's hatred of the Queen family to take control of Queen Consolidated.

Felicity finally has a friend in the Arrow Lair and despite their similar taste in men, they get along famously.

In a Mirakuru rage, Roy hurts she he loves most. Thea's disgust with the lies later forces her hand. She leaves Starling with her birth father, Malcolm Merlyn.

Oliver surrounds himself by only the best female company.

The rise and fall of Sebastian Blood, who was putty in Slade Wilson's hands.

Team Arrow prepares to take on Slade, with or without help and Laurel is finally in on the secret.

Deadshot chooses to fight for his new "friends" instead of his "boss" Amanda Waller. We fall in love with the Suicide Squad.

Laurel is taken by a Mask during Slade's fight. But does he have the right girl?

The love of Oliver is part of the plan, but also a well-hidden secret from the party in question.