As Dr. Rodney McKay and Dr. Daniel Jackson is held prisoner by the Vanir, they make a startling discovery about who they really are. Meanwhile, “Todd” and his Wraith hijack…

Dr. Daniel Jackson arrives in Atlantis to investigate a hidden lab left behind by the rogue Ancient scientist Janus. Their discovery has attracted the attention of a mysterious group of…

Dr. Rodney McKay is infected with the Pegasus equivalent of Alzheimer’s disease, known as Second Childhood, a common illness among the elderly in the galaxy. The only way to save…

While on a mission, Lt. Colonel John Sheppard’s team inadvertently brings a mysterious entity to Atlantis. They soon learn that the entity is nothing more than Dr. Elizabeth Weir, who…

The Atlantis expedition mysteriously finds the Daedalus, abandoned and drifting in space. When Lt. Colonel John Sheppard’s team come to investigate, the ship mysteriously disappears. They soon discover that the…

When a mysterious alien organism takes Dr. Jennifer Keller as its host, the newly revived Dr. Carson Beckett and the crew desperately search for a serum to save her from…

All hope seems lost, until Colonel Everett arrives suddenly from Earth. He is determined to defend the city until the arrival of a ZPM, brought by a new ship.

With a group of Wraith hive ships on the way to Atlantis, the team searches for a place to flee and a way to destroy the city. McKay leads a…

Plagued by terrifying nightmares, Teyla begins to recall a time when she and her father were captured by the Wraith and subjected to disturbing experiments.

With a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video messages home to their loved ones.

The team searches for a valuable Zero Point Module rumored to be hidden on the planet Dagan — but their new allies have motives of their own.

A woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tells them of her trip 10,000 years…

Nearly a third of Atlantis’s residents are infected with a deadly virus that causes hallucinations and death, forcing a lockdown of the city.

When a massive storm threatens the city, Atlantis is evacuated — only to be taken over by the team’s newest enemy.

After a series of run-ins with the Wraith, the team begins to suspect their Athosian allies of having a spy in their midst.

The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.

When a serial kidnapper “over there” strikes again, the emotional and familiar case hits home for Colonel Broyles, sending a determined Olivia to uncover additional details about the abductions. In…

Daniel and Vala travel to Atlantis in search of Merlin’s anti-Ori weapon, while Sam, and Mitchell join forces with Dr. McKay to lock out the Ori supergate.

Daniel and Vala travel to Atlantis in search of Merlin’s anti-Ori weapon, while Sam, and Mitchell join forces with Dr. McKay to lock out the Ori supergate.

When Regina is accused of murdering a beloved fairy-tale character, Emma thinks she is innocent; Prince Charming and Snow White plan the evil queen’s execution.

As Oliver’s face off with Slade escalates, his resolve to the no-kill rule is tested. Especially as Slade targets the woman Oliver loves.

Oliver rallies his team as Slade’s soldiers attack the city. Felicity gets a call from S.T.A.R. Labs with game-changing news and Thea comes face-to-face with her father.

After the death of someone close to him, Oliver decides to give himself up to Slade rather than risk further bloodshed on his friends and family. Meanwhile, Laurel renews her…

When Oliver and his team destroy Slade’s centrifuge, he attacks them as Deathstroke to get what he needs to find a replacement. Meanwhile, Laurel ponders what to do with Slade’s…

Sara and Roy become prisoners at the Slade and the only one who is able to save them is Oliver Queen.

The Huntress returns and takes hostages at the courthouse when her father is arrested. Laurel is among those taken, which prompts her sister, the Canary, to battle the Huntress in…

In the present, Slade visits Oliver and makes his intentions clear. Five years earlier, Slade, Sara, and Oliver launch their assault on the Amazo, but things go wrong when Slade…

A.R.G.U.S. abducts Diggle and asks him to help recover Lyla from a Russian prison. Oliver and Felicity insist on going along to help and Isabel tags along. Meanwhile, Jean Loring…

Oliver discovers a man who goes by the name “The Mayor” is bringing illegal guns in to The Glades, so Oliver sponsors a “Cash for Guns” event to help clean…

Oliver faces the forced release of criminals prosecuted by Adrian Chase, while a crate is delivered to Oliver’s office containing a corpse in concrete.

Diggle and Felicity are shocked by Oliver’s decision to ask the Bratva for help in taking down Prometheus.

Prometheus goes to extreme lengths to destroy Oliver. In flashbacks, Oliver’s violent tendencies come to a head in a confrontation with Anatoly.

Oliver faces his biggest challenge yet as mayor. Felicity continues down her dark path with Helix. After Vigilante attacks Oliver while he’s acting as the mayor, Diggle leads the team…

China White, Cupid and Liza Warner break out of Iron Heights and head to Star City for revenge. Oliver tries to bring in the newly formed girl gang but the…

The Green Arrow is forced to face a powerful new drug dealer when Wild Dog goes off on his own.

Oliver recruits Curtis, Wild Dog and Evelyn Sharp for his team, but his training methods prove to be too much for some to handle. In flashbacks, Oliver continues his initiation…

A deadly new criminal, Tobias Church, threatens Star City, which forces Oliver to consider forming a new team of superheroes to help him do battle. In flashbacks, Oliver faces off…

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

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.

Oliver turns to an old friend to help battle Diaz; Rene is out of the hospital but has a hard time readjusting to life as Wild Dog; Lance discovers something…