23 Episodes 2015 - 2016
In Season 2, Barry (Grant Gustin) and his S.T.A.R. Labs team, including Caitlin (Danielle Panabaker) and Cisco (Carlos Valdes), struggle with the fallout of the discovery of Earth-2. With doppelgangers everywhere, including a new Harrison Wells (Tom Cavanagh) and their own alter egos Killer Frost (Danielle Panabaker) and Reverb (Carlos Valdes), the team must overcome their fears to take down Zoom, a terrifying new speedster who wants to bring The Flash to his knees. Meanwhile, Joe (Jesse L. Martin) and Iris (Candice Patton) uncover a life-changing family secret; and Earth-2's Flash, Jay Garrick (Teddy Sears), gets closer to Caitlin as she tries to save his life. Episode 8 features the backdoor pilot for sister show "Legends of Tomorrow," introducing immortal villain Vandal Savage (Casper Crump), Kendra Saunders aka Hawkgirl (Ciara Renée) and Carter Hall aka Hawkman (Falk Hentschel).
The Man Who Saved Central City
Tue, Oct 6, 2015 60 mins
Season 2 begins with Barry deciding to protect Central City on his own. But when Atom Smasher attacks, Iris pleads with Barry to let his friends help protect the citizens. Meanwhile, Cisco helps Joe with his Meta Task Force.
Flash of Two Worlds
Tue, Oct 13, 2015 60 mins
Jay Garrick, a mysterious man from Earth-2, appears at S.T.A.R. Labs with a dire warning about an evil speedster named Zoom who is out to destroy the Flash. Barry and the team must decide if they can trust him, even as they face yet another powerful meta-human. Meanwhile, Joe deals with a determined officer named Patty Spivot who wants to join his meta-human task force.
Family of Rogues
Tue, Oct 20, 2015 60 mins
Barry and the team learn Captain Cold has been kidnapped and then form an uneasy alliance with his sister. However, Barry feels double-crossed when he finds out Snart is working with his father, Lewis Snart, on a heist. Meanwhile, Joe faces a difficult decision.
The Fury of Firestorm
Tue, Oct 27, 2015 60 mins
Barry and the team look for another Firestorm match for Dr. Stein, but when Caitlin meets Jefferson "Jax" Jackson she questions whether he is the right match. Meanwhile, Iris surprises Joe; and Barry and Patty grow closer.
The Darkness and the Light
Tue, Nov 3, 2015 60 mins
Barry learns a new breacher, Dr. Light, has come through the portal and sets off to capture her. 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.
Tue, Nov 10, 2015 60 mins
Barry engineers a dangerous plan to defeat Zoom, but Caitlin sides with Jay and deems it too dangerous for Barry to engage with the speed demon. However, Iris shows her support and brings forth a surprising ally.
Tue, Nov 17, 2015 60 mins
Grodd returns to Central City and kidnaps Caitlin, and Barry races to find her before it's too late. Meanwhile, Cisco plans his first date with the new barista at Jitters; and Patty begins to suspect Barry is hiding something from her.
Legends of Today
Tue, Dec 1, 2015 61 mins
A crossover episode with "Arrow" begins with Vandal Savage attacking Kendra and Cisco. Barry then takes Kendra to Star City and asks Oliver to hide her until he can stop Vandal. But Hawkman, a man with wings, shows up and flies off with Kendra. Meanwhile, Harrison develops a serum to make Barry run faster and asks Jay to test it.
Running to Stand Still
Tue, Dec 8, 2015 60 mins
The Weather Wizard returns to break Captain Cold and the Trickster out of Iron Heights, but Barry tries to stop him and prevent these rogues from taking over Central City during Christmas. Meanwhile, Joe and Iris meet Wally West.
Tue, Jan 19, 2016 60 mins
Barry considers telling Patty that he is The Flash. Meanwhile, Joe and Iris try to get to know Wally; and the team hunts down a meta-human who can slow time itself.
The Reverse-Flash Returns
Tue, Jan 26, 2016 60 mins
Cisco gets a vibe of Eobard Thawne, but 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.
Tue, Feb 2, 2016 60 mins
Barry teams up with Wells to find a way to close the breaches, but they are distracted by a meta-human nicknamed Tar Pit who can transform into liquid asphalt. Meanwhile, Iris becomes concerned for Wally's safety when she learns he is drag racing.
Welcome to Earth-2
Tue, Feb 9, 2016 60 mins
Barry, Wells and Cisco travel to Earth-2 to rescue Wells' daughter from Zoom, and encounter Killer Frost and Deathstorm. Meanwhile, back on Earth-1, Jay takes over the Flash's duties when a meta-human nicknamed Geomancer attacks Central City.
Escape From Earth-2
Tue, Feb 16, 2016 60 mins
On Earth-2, the team races to find Zoom's lair and seeks help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin rushes to perfect Velocity-9 so Jay can stop the Geomancer.
Tue, Feb 23, 2016 60 mins
King Shark escapes from an A.R.G.U.S. holding tank, so Lila and Diggle travel to Central City to warn The Flash. Meanwhile, King Shark shows up at the West house and attacks Joe, Iris, Wally and Barry.
Tue, Mar 22, 2016 60 mins
Barry and the team head out for a night on the town only to encounter an unexpected speedster who is up to no good. Meanwhile, Iris is challenged by an assignment from her new boss and is surprised when friction turns to flirtation.
Tue, Mar 29, 2016 60 mins
Barry becomes determined to get back to Earth-2 to stop Zoom, but he realizes he needs to increase his speed. He travels back in time and masquerades as his earlier self to get his arch-nemesis Dr. Wells to teach him how to run faster. But while there, Barry faces familiar foe Hartley Rathaway and old friend Eddie Thawne.
Tue, Apr 19, 2016 60 mins
Equipped with the tachyon device, Barry believes he is fast enough to stop Zoom and wants to open the breaches to catch him. Harry strongly advises against that plan but after Barry convinces him, Harry reveals that Cisco has the power to re-open the breach. Meanwhile, Hunter Zoloman's painful story on Earth-2 is revealed.
Back to Normal
Tue, Apr 26, 2016 60 mins
Griffin Grey, a meta-human with super strength, mistakes Harry for Earth-1 Harrison Wells, kidnaps him and demands that Wells cure him from his current condition. Realizing another brilliant Wells could help track Griffin's location, Barry asks Jesse to help. Meanwhile, Wally corners Joe about The Flash.
Tue, May 3, 2016 60 mins
Zoom arrives back on Earth-1 intent on taking over Central City. Barry and Wells plan to stop Zoom but it's extremely dangerous. Unsure if he should take the risk, Barry reaches out to both fathers for advice. Meanwhile, Cisco is shocked when he senses the Earth-2 villain Rupture, who is his brother Dante's doppelgänger; and Iris decides to open up to Barry about her feelings for him.
The Runaway Dinosaur
Tue, May 10, 2016 60 mins
With Barry gone, the team must figure out a way to handle the return of Girder, an old enemy. Realizing Girder is retracing his steps from his last attack, Iris volunteers to act as bait to trap him in S.T.A.R. Labs. Meanwhile, Barry fights to return to his old life.
Tue, May 17, 2016 60 mins
After Zoom unleashes an army of Earth-2 meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary's Earth-2 doppelgänger, the Black Siren. Meanwhile, Wally takes to the streets to help the Flash stop the meta-humans, which worries Joe; and Iris and Henry become concerned about Barry taking on Zoom.
The Race of His Life
Tue, May 24, 2016 62 mins
Season 2 ends with Zoom revealing his true plan and Barry vowing to do whatever it takes to stop him.