Arrow

In the season six premiere, Oliver (STEPHEN AMELL) deals with the fallout of the explosion on the island of Lian Yu.

While Oliver balances being the Mayor, the Green Arrow and a father to William, Anatoly (DAVID NYKL) returns to Star City with a deadly agenda.

Struggling to connect with William, Oliver reaches out to a surprising source for help. Meanwhile, a rogue black ops team led by Onyx (CHASTITY DOTSON) steals something lethal.

Just as Oliver starts to get things in order, Black Siren (series star KATIE CASSIDY) launches another attack on the citizens of Star City.

Slade (MANU BENNETT) returns and asks Oliver for help in tracking down his son, who's been taken by mercenaries. Meanwhile, Vigilante reappears in Star City.

As Slade continues to uncover clues about his son, Oliver makes a big decision. Meanwhile, the Green Arrow leads the team into battle against The Dragon (KIRK ACEVEDO).

Oliver and Felicity celebrate Thanksgiving with William, but the happy moment is interrupted. Meanwhile, Black Siren returns to wreak havoc on the holiday.

When villains from Earth-X attack the wedding ceremony of Barry Allen and Iris West, The Green Arrow, Supergirl, The Flash and White Canary lead their teams to save the world.

When Black Siren and Cayden James kidnap Quentin Lance to trade for a weapon of mass destruction, Oliver and the team must figure out a way to save both Lance and the city.

When Oliver discovers one of Cayden's secrets, he decides to team up with an unlikely ally. Meanwhile, Dinah spends time with Vince (JOHANN URB).

When Cayden James launches his plan to take the city, Oliver is determined to foil it with only the original Team Arrow. But things get complicated.

While Oliver continues his battle with Cayden James, he and Dinah have a major disagreement that endangers the life of one of their own.

After Cayden James discovers a secret about him that puts everyone in danger, Oliver must consider whether he should turn to his old teammates for help.

When Oliver, Diggle and Felicity disagree with Dinah, Curtis and Rene on how to handle Black Siren, the two teams face off and a fight ensues.

Oliver and Thea are shocked to hear that Roy Harper (COLTON HAYNES) is back in Star City. When they realize he's in trouble, they jump in to help him.

Nyssa Al Ghul (KATRINA LAW) returns to Star City to warn Thea that a group of renegade League of Assassins members are planning to attack her.

While Oliver and Diggle face their biggest challenge yet, Curtis is disappointed to learn that his new boyfriend has a firm anti-vigilante stance.

Feeling that he's failed at everything – being a father, a mayor and a hero – Oliver lashes out at his family, when he's visited by a ghost from his past.

Looking to expand his empire, Diaz and Laurel meet with The Quadrant, a coalition of mafia families who run organized crime.

While Oliver turns to an old friend to help battle Diaz, Rene returns from the hospital but has a hard time readjusting to life as Wild Dog.

A familiar face (guest star COLIN DONNELL) returns and the pressure mounts for Oliver, who begins to wonder if he will lose everything in his battle to save Star City.

When Diaz targets Team Arrow and their loved ones, Oliver struggles with Felicity putting herself in danger when she gets the chance to stop Diaz for good.

With a new ally on his team, Oliver engages Diaz in an epic final battle.