Supergirl: World's Finest Season 1, Ep 18
The Flash comes from an alternate universe and aids Kara in her battle against Silver Banshee and Livewire in exchange for her help getting home.
Supergirl: Manhunter Season 1, Ep 17
J'onn J'onzz discloses the details of meeting with Kara and Alex's father, and the takeover of Hank Henshaw's identity; Kara must decide whether to trust someone with her secret identity; Siobhan devises a plot against Kara.
Supergirl: Falling Season 1, Ep 16
After being exposed to red kryptonite, Kara turns malicious and becomes a danger to her friends and to the people of National City; Cat discusses Supergirl on "The Talk."
Legends of Tomorrow: Night of the Hawk Season 1, Ep 8
The team follows Savage to an Oregon town in the 1950s, where they suspect he's involved in a string of murders.
Legends of Tomorrow: Marooned Season 1, Ep 7
When the group receives a distress call from another timeship, Rip decides to answer it, despite warnings from the rest of the team that it seems like a trap.
Supergirl: Solitude Season 1, Ep 15
Kara travels to the Fortress of Solitude to learn how to defeat Indigo, who has a connection to Kara's past; James and Lucy's relationship comes to a crossroads.
Legends of Tomorrow: Star City 2046 Season 1, Ep 6
A malfunction sends the Waverider into Star City in 2046, where the heroes are faced with a surprising version of the future.
Supergirl: Truth, Justice and the American Way Season 1, Ep 14
Supergirl battles with Master Jailer, who is tracking and killing escaped Fort Rozz prisoners; Cat hires an additional assistant, who tries to one-up Kara; James and Kara don't agree on the DEO's methods.
Legends of Tomorrow: Fail-Safe Season 1, Ep 5
Snart leads a rescue mission to free Mick, Ray, & Martin from the Soviet gulag before Vandal Savage can use them to create Russian Firestorm.
Legends of Tomorrow: White Knights Season 1, Ep 4
When Vandal Savage's retreat is accompanied by the disappearance of a series of nuclear scientists, the team follows his trail into the heart of the (1986) Soviet Union in an effort to find his next target.
Legends of Tomorrow: Blood Ties Season 1, Ep 3
Rip and Sara attempt to redistribute Vandal Savage's wealth. Snart takes Rory and Jax on an emotional field trip. Ray plays Asteroids in inner space.
Supergirl: Bizarro Season 1, Ep 12
A twisted version of Supergirl tries to destroy Kara. [more inside]
Vixen: Web-Series: All in one episode Season 1, Ep 0
The entire season is composed of 6 episodes, each 4-7 minutes long. But you can watch the whole thing in one 30 minutes episode. Mari McCabe comes back to her hometown, Detroit, and the family heirloom necklace she has suddenly comes to life, granting her abilities of animals. She wants to use it to figure out her real family, but where will that lead her? [more inside]
The Flash: Fast Lane Season 2, Ep 12
Barry teams up with Wells to figure out a way to close the breaches, but they are distracted by a meta-human nicknamed Tar Pit who can transform into liquid asphalt. Iris is concerned for Wally's safety after she finds out about his drag racing hobby.
Legends of Tomorrow: Pilot, Part 2 Season 1, Ep 2
When a piece of Atom's suit falls into the wrong hands, professor Stein decides to turn to someone brilliant for help--his younger self; Carter helps Kendra recover an important memory.
The Flash: The Reverse-Flash Returns Season 2, Ep 11
When Cisco gets a vibe of Eobard Thawne, Barry and the team don’t believe it. But, after an attack at Mercury Labs, Christina McGee confirms that the Reverse Flash is back. Meanwhile, Iris and Francine share a nice moment that brings Iris closer to her brother, Wally.
Supergirl: Strange Visitor From Another Planet Season 1, Ep 11
A member of the alien race responsible for killing Hank's people kidnaps anti-alien Senator Miranda Crane; Cat's estranged son visits National City.
Legends of Tomorrow: Pilot, Part 1 Season 1, Ep 1
In the year 2166 the immortal villain Vandal Savage is on the verge of destroying humanity; Rip Hunter travels back in time assemble a team of heroes and rogues to stop him.
Supergirl: Childish Things Season 1, Ep 10
Winn's father, a super villain named Toyman, escapes from prison and contacts his son; Cat offers Lucy a position at CatCo; Alex wants Hank to uncover Maxwell Lord's plans.
Supergirl: Blood Bonds Season 1, Ep 9
While Astra is held captive by the DEO, her husband abducts Hank and demands a hostage exchange; Cat continues to suspect that Kara is Supergirl; James tries to infiltrate Max Lord's HQ with Winn's help. [more inside]
Supergirl: Hostile Takeover Season 1, Ep 8
Astra challenges Kara's beliefs about her mother; a hacker exposes Cat's private emails, putting her job at risk.
Arrow: Dark Waters Season 4, Ep 9
Oliver moves against HIVE; Malcolm goes to see Thea, leaving her with a warning. [more inside]
The Flash: Running to Stand Still Season 2, Ep 9
Weather Wizard returns to break Captain Cold and The Trickster out of Iron Heights, but Barry is determined to not let that happen. Meanwhile, Iris decides whether to tell Joe about his biological son. [more inside]
The Flash: Legends of Today (Part 1) Season 2, Ep 8
In the first episode of a two-part crossover that will conclude in the next episode of Arrow, Vandal Savage arrives in Central City and sets his sights on Kendra Saunders. [more inside]
Supergirl: Red Faced Season 1, Ep 6
Kara goes too far during a training exercise against a military cyborg commissioned by Lucy Lane's father; Cat's judgmental mother visits; Alex asks Winn to investigate her father's death. [more inside]
Supergirl: How Does She Do It? Season 1, Ep 5
While Kara is baby-sitting Cat's son, she must also protect the city from a series of bombings; Lucy Lane tries to rekindle her relationship with James. [more inside]
Arrow: Brotherhood Season 4, Ep 7
A shocking revelation complicates the battle between Team Arrow and Damien Darhk; Thea loses control in front of Alex. [more inside]
The Flash: Gorilla Warfare Season 2, Ep 7
Grodd returns to Central City and kidnaps Caitlin. Barry and team race to find her before it’s too late. Meanwhile, Cisco plans his first date with the new barista at Jitters, Kendra Saunders and Patty begins to suspect Barry is hiding something from her.
Supergirl: Livewire Season 1, Ep 4
Kara’s Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers, who is coming to town, disapproves of her new role as a superhero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat and Supergirl. [more inside]
Arrow: Lost Souls Season 4, Ep 6
Team Arrow gears up to rescue Ray Palmer. Felicity and Oliver work out some issues with the help of Felicity's mom. Sarah struggles to control her bloodlust in the field. [more inside]
The Flash: Enter Zoom Season 2, Ep 6
After recent events, Barry decides it’s time to confront Zoom and comes up with a dangerous plan.
Supergirl: Fight or Flight Season 1, Ep 3
An enemy of Superman named Reactron targets Supergirl, testing her powers; Cat plans to run a revealing article on Supergirl.
The Flash: The Darkness and the Light Season 2, Ep 5
Barry learns a new breacher, Dr. Light, has come through the portal and sets off to capture her. Jay tells Barry that Dr. Light was not a threat on Earth-2 and that Barry can reason with her. However, during a fight with The Flash, she blinds him and drops some shocking news about Zoom. Meanwhile, Barry and Patty go out on a date.
Supergirl: Stronger Together Season 1, Ep 2
When Kara’s attempts to help National City don't go according to plan, she must put aside the doubts that she -- and the city's media -- have about her abilities in order to capture an escapee from the Kryptonian prison, Fort Rozz. Also, Cat pressures James to use his connection to Superman to get her an interview with Supergirl.
Arrow: Beyond Redemption Season 4, Ep 4
Oliver tells his team that he is running for mayor. They are not impressed. The new Arrow Cave is pretty shiny, though. Laurel reveals Sarah to Lance; Team Arrow confronts some rogue members of the anti-vigilante task force; Oliver confronts Lance about working with Damien Darhk. Subplots progress slightly. Sarah escapes.
Supergirl: Pilot Season 1, Ep 1
After keeping her powers a secret for 12 years, Kara Zor-El, Superman's cousin, decides to embrace her abilities and be a hero.
Arrow: Restoration Season 4, Ep 3
The tension between Oliver and Diggle puts them at risk when they target Damien Darhk and a meta-human; Laurel convinces Thea to return to Nanda Parbat to request Sara be put into the Lazarus Pit.
The Flash: Family of Rogues Season 2, Ep 3
When Barry and the team find out Captain Cold has been kidnapped, they form an uneasy alliance with his sister, Lisa. However, Barry feels double-crossed when he finds out Snart is working with his father, Lewis Snart on a heist. Meanwhile, Joe is faced with a difficult decision.
Arrow: The Candidate Season 4, Ep 2
Oliver and Thea are concerned when a family friend plans to run for mayor; Thea starts to exhibit side effects from the Lazarus Pit; Felicity asks an employee for help with a business decision.
Arrow: Green Arrow Season 4, Ep 1
Oliver and Felicity's blissful getaway comes to an abrupt end when Laurel and Thea ask for their help; Diggle is opposed to working with Oliver. [more inside]
The Flash: The Man Who Saved Central City Season 2, Ep 1
Picking up months after the singularity threatened Central City, Barry is struggling to deal with the aftermath. [more inside]
The Flash: Fast Enough Season 1, Ep 23
Barry is given the chance to get everything he wanted, but the offer comes from Wells. Does he take it? [more inside]
Arrow: My Name is Oliver Queen Season 3, Ep 23
Everyone's lives are in danger as Ra's al Ghul puts forth his final plan. Oliver/Al Sah-him must decide if he's strong enough to take on this new role and what it will mean for everyone on Team Arrow, and his soul. [more inside]
Arrow: This is Your Sword Season 3, Ep 22
Malcolm convinces Team Arrow to return to Nanda Parbat to stop a Ra's fast-tracked plan to destroy Starling City. Oliver winks at the camera and ruins most of the tension. There are some amazing fights. Roy and Thea have some moments. [more inside]
Arrow: Public Enemy Season 3, Ep 18
During an attack on the mayor's office, Ray is critically injured. Felicity is pleasantly surprised when her mother, Donna Smoak, shows up at the hospital to offer her support. With the SCPD out in full force, looking for the assailant, Oliver and his team work hard to stay one step ahead of the police to find the man responsible.
Arrow: Nanda Parbat Season 3, Ep 15
Merlyn is captured by the League. Ray becomes obsessed with finishing the A.T.O.M. suit. [more inside]
State of Affairs: Pilot Season 1, Ep 1
Intelligence analyst Charleston "Charlie" Tucker prepares the President's Daily Brief on the anniversary of the death of Aaron Payton, her fiancee and the President's son, in an attack on their convoy in Kabul, using her editorial discretion to suppress shaky intelligence about the location of Omar Fatah, the terrorist responsible for the attack, in order to free up a Special Forces team to rescue an American doctor with an uncanny resemblance to Aaron.