Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth's mightiest heroes - Green Arrow, Supergirl, The Flash and White Canary - lead their teams into battle to save the world. Part 1 - Supergirl - S03E08 Part 2 - Arrow - S06E08 Part 3 - The Flash - S04E08 Part 4 - DC's Legends of Tomorrow - S03E08Watch Now:Amazon
After learning the Dominators’ plan for the world, the Legends must work together with The Flash, Supergirl and Green Arrow to kill them once and for all. Meanwhile, Stein figures out, with the help of others, how the team can terminate the Dominators, but is distracted by the aberration he realizes he created in 1987. Part 1 - Supergirl - S02E08 Part 2 - The Flash - S03E08 Part 3 - Arrow - S05E08 Part 4 - DC's Legends of Tomorrow - S02E07Watch Now:Amazon
When a nuclear bomb detonates in downtown Central City, Barry, Jesse Quick and Jay Garrick slow down time by entering Flashtime. As everyone in the city is frozen, the three speedsters push themselves to the breaking point to save the city and everyone in it.Watch Now:Amazon
Gloria is putting pressure on Katy to design a wedding dress that would be career changing for her. Jorge wants to keep pushing his career forward, so he decides to put on a show. Josie is frustrated that nothing has come from her EP party. Meanwhile, Pepper turns to Alexander and Xandra for an investment opportunity.Watch Now:Amazon
Ali is hopeful when she’s told that she’s a candidate for a new drug trial to help with her cancer treatment. But when the God Account suggests that Miles helps the daughter of the hospital administrator in charge of the drug trial, he’s reluctant to get involved for fear of hurting Ali’s chances of being accepted.Watch Now:Amazon
Now that Oliver has his new team, they are ready to hit the streets but Oliver doesn’t feel they are ready. Headstrong Wild Dog defies the Green Arrow’s orders and sets out on his own after a new drug dealer, Derek Sampson, who is terrorizing Star City. Sampson proves more powerful than Wild Dog and it is up to the Green Arrow to go head to head with Sampson to save his teammate.Watch Now:Amazon
Malcolm is captured by Ra’s al Ghul and taken to Nanda Parbat. Because of his love for Thea, Oliver considers saving Merlyn. Ray is obsessed with finishing his Atom suit so he can save the city but Felicity fears he is heading down the same path as Oliver and tries to pull him out of the lab.Watch Now:Amazon
As the town’s mayoral race between Fred and Hermoine heats up, Hiram sets his sights on a new ally – Sheriff Minetta. Betty turns to Cheryl for help when she has a suspicion about the Black Hood. Meanwhile, the reveal of a dark secret forces Archie and Jughead to try and ease tensions between the Bulldogs and Serpents. Finally, on the eve of the mayoral debate, a mysterious message leaves everyone on edge.Watch Now:Amazon
Before Fite Nite, the officers have to seize all proceeds from crime.
Lois reaches out to Ret. General Lane as Clark's visions become worse during heated arguments with both Jonathan and Jordan. Meanwhile, Lana shares her frustrations with Kyle. Lastly, Natalie learns that her father didn't follow through on a promise he made to her.Watch Now:Amazon
Oliver realizes he needs help battling Darhk so he calls in an old friend — Vixen. Using her magical ability to summon animal powers, Vixen gets a lock on Darhk’s location and the team goes to war. Meanwhile, Thea has a heart-to-heart talk with Malcolm.Watch Now:Amazon
As Oliver and Felicity look for a magical solution to defeat Darhk, a vengeance-driven Diggle gets a lead on Andy’s whereabouts and heads off to confront his brother. Meanwhile, Alex takes Thea on a vacation that quickly turns into a nightmare.Watch Now:Amazon
Rip takes the team to London in the year 2166, three months before his family is killed. He believes this to be their final opportunity to take out Savage who is, unfortunately, at the height of his power. However, the team discovers two key elements to defeating him – Savage’s daughter and the means to kill Savage once and for all.Watch Now:Amazon
After receiving a distress call from another timeship stranded in space, Rip decides to answer the call in order to use the other ship’s computer to track Savage. The team is suspicious and warns him this could be a trap but he moves forward with his plan. Ultimately, the team was right and they have to battle time pirates. With most of the team captured, it is up to Professor Stein to rescue them all.Watch Now:Amazon
After the Legends defeated Mallus and wiped the final anachronism from time they find themselves in unfamiliar territory with the Time Bureau. All that changes when Constantine informs Sara of a new magical threat that leads the team to Woodstock. Constantine thinks he knows how to defeat the new threat but will need the help of the team and their special klepto talents to help with his spell. Meanwhile, Nate and Rory go on an adventure leaving Nate facing someone from his past.Watch Now:Amazon
As Reign continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit Supergirl’s former enemies, Livewire and Psi, to form a team for a mission to Fort Rozz to recover a prisoner who has information on how to defeat Reign once and for all. Meanwhile, Alex babysits Ruby.Watch Now:Amazon
A riot breaks out at a women’s correctional institute while Andy, Juliet, Nick, and Gail are there to transfer prisoners. They end up separated and in a lock-down situation that finds Andy and Juliet trapped with a woman desperate to prove her innocence.
Worried that Prometheus is right and he is truly a killer at heart, Oliver looks for any ray of hope and finds it in what seems to be the miraculous return of Laurel Lance. However, Felicity, still reeling from Detective Malone’s murder, is bent on revenge — she wants to stop Prometheus at any cost. While in prison, Diggle fights for his life.
After a community-outreach baseball game erupts in a drive-by shooting, Gail’s relationship with her brother, Steve Peck, is put to the test in the search for the shooter. Meanwhile, Sam plans a getaway with Andy up to Oliver’s cabin, which goes off the rails in every possible way – except one.Watch Now:Amazon
With the dust still settling in Smallville following the shocking outcome of the confrontation between Tal-Rho and Superman. Lois and Clark struggle as a couple while Chrissy adjusts to running The Smallville Gazette with Lois. Jonathan faces new challenges on the football field, and secrets threaten to destroy Jordan and Sarah's growing relationship. Meanwhile, Kyle grows concerned over Lana's involvement with a new mayoral candidate. Lastly, John Henry Irons and his daughter Natalie attempt to make this new Earth their home.Watch Now:Amazon
While Barry and Iris deal with the heartbreaking loss of their daughter, Nora, the team faces their greatest threat yet, one that threatens to destroy all of Central City. Meanwhile, Killer Frost has a brush with death that results in an unexpected new dynamic that will change her relationship with Caitlin forever.
Lois, Clark, and Natalie notice a difference in John Henry's behavior and fear something might be very wrong. Meanwhile, Kyle encounters an awkward moment with Lana while stopping by the house to pick Sarah up for school. Lastly, Jonathan and Jordan brace themselves when they realize a talking to from their parents is headed their way.Watch Now:Amazon
Andy and Nick investigate when a neighborhood drug lord threatens a priest's life; a young drug-runner's refusal to turn informant leads Traci to make a decision about her career; Chris and Swarek butt heads; Dov's relationship takes a dark turn.Watch Now:Amazon
Just as Oliver starts to get things in order, Black Siren launches another attack on the citizens of Star City.
Oliver and Felicity are disappointed after they learn that William is hiding something from them. Wanting to focus on his family, Oliver steps back from his Green Arrow duties and lets the team take over tracking down a serial killer. However, when the team becomes targets for the killer, things take a bloody turn.
After one of their own becomes the target of an unseen assailant, the gang works together to get to the bottom of Riverdale's latest mystery. Meanwhile, Betty works with a surprising ally to piece together clues about a series of deaths in the town. Elsewhere, a spiraling Archie sets out on a new path, while Jughead comes face to face with Ms. Mulwray, Hiram's alleged mistress.Watch Now:Amazon
Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex's help.