Barry vows to stop Zoom when he learns what the latter's master plan is for Central City... and Earth One.
The team tries to recover Barry from the Speed Force, only to discover that he may not want to return. Meanwhile, the second particle explosion reanimated a dead metahuman, Girder, who is obsessed with finding Iris.moreless
Zoom proceeds with his plans to conquer first Central City and then all of Earth One. Only his feelings for Caitlin stay his hand... but she betrays him. Meanwhile, Harry comes up with a risky plan to give Barry his powers back, and Iris makes a confession to Barry.moreless
A metahuman abducts Harry, believing that he's the Harrison Wells who gave him his powers... which are slowly killing him. Meanwhile, Barry tries to cope with the loss of his superspeed, and Caitlin meets her Earth Two counterpart.moreless
On Earth-2, Cisco appeals to Killer Frost to help them find Zoom--and a captive Barry--before it's too late. On Earth-1, Caitlin finds a way to cure Jay while he prepares for a rematch against Geomancer.moreless
While Harry goes back to Earth-2 with Barry and Cisco to rescue his daughter Jesse from Zoom, Joe, Caitlin, and Jay deal with a new metahuman menace.
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.moreless
Weather Wizard plans to get revenge on Flash and recruits Captain Cold and Trickster to help him. Meanwhile, Harry considers his deal with Zoom, Joe and Iris meet Wally, and Patty meets the man who killed her father.moreless
Barry tries to lure Zoom into a trap despite Caitllin's objections, and Joe wonders if his foster son has an ulterior motive. Meanwhile, Dr. Light escapes from her prison and the team turns to her Earth-1 counterpart--Linda--for help.moreless
Jay Garrick, a mysterious man who claims that he's the Flash in a parallel world, warns the team about an evil speedster named Zoom who plans to destroy the Flash. While Barry wonders whether to trust the newcomer, Joe deals with Patty Spivot, an officer who wants to join the metahuman taskforce.moreless
Four remaining teams made up of an expert pumpkin carver, cake decorator and sugar artist go to battle to create mind-blowing Halloween themed displays of a twisted version of a fairytale.
Young Justice takes on The Reach in final battle and discovers that victory may cost them everything.
Starscream once again offers up his allegiance to Megatron, much to the displeasure of Dreadwing.
Knock Out unlocks a new power that allows him to control sound. Meanwhile, Starscream activates the stolen Red Energon and gains super speed. Will the Autobots be able to fight against these new super-powered threats?moreless
Megatron and Dreadwing head to Cybertron hoping to harness the power of the Primes by activating the Forge of Solus Prime. With their plan set in motion, the Decepticons hope to destroy Optimus Prime and the line of Primes forever.moreless
The Decepticon Warship threatens humanity, and Raf, Jack and Miko are the only ones who can stop it.
Megatron sends Dreadwing, Airachnid and Breakdown to investigate the trail of a potential Energon source, but what Airachnid doesn't know is that Dreadwing and Breakdown have actually been ordered to kill her for her treachery. She eventually catches wind of this and fights her way off into the woods. Upon arriving at an abandoned Energon mine, Airachnid encounters Starscream cowering from a large Insecticon. After using her abilities to control the creature, she contacts Megatron and tells him to come to the mine, planning to use the Insecticon to kill him so she can claim Decepticon leadership.moreless
Wheeljack returns to Earth in pursuit of Skyquake's twin, the Seeker known as Dreadwing. Wheeljack is still upset over Dreadwing's involvement in the death of fellow Wrecker Seaspray.While Bulkhead is naturally excited about seeing his best friend again, Optimus Prime quickly becomes frustrated with Wheeljack's aggressive ways and complete disregard for civilians.moreless
McGarrett tracks down August March, a former diamond smuggler, to help clear his sister when she's arrested for smuggling conflict diamonds.
When Sarah is forced to face an upsetting secret from her past, Chuck is on hand to help her, but she decides to deal with her problems alone. When Sarah meets her original handler she fears that those who are close to her will come to harm, particularly her mom.moreless
After taking on the Scarecrow with the aid of the Golden Age Flash, Batman must travel to 19th century London to help Jason Blood, the alter-ego of Etrigan, when he's framed for a series of crimes committed by the Gentleman Ghost.moreless