Think Fast: Still rocked by Ralph's death, Barry's reluctant to let Cisco and Caitlin risk their lives to stop DeVoe. But can he take on the evil genius alone? (S4, ep 22) [S]
Harry and The Harrisons: Team Flash are forced to put their faith in crime lord Amunet Black when they need help disabling DeVoe's enlightenment device. (S4, ep 21) [S]
Therefore she is: Barry and co team up with Gypsy in a desperate bid to thwart The Thinker's plan. There's a heart to heart on the cards for Gypsy and Cisco. (S4, ep 20) [S]
Fury Rogue: Barry calls on Citizen Cold (Wentworth Miller) when he needs a hand getting a meta from A to B. Cisco starts to get suspicious of Harry. (S4, ep 19) [S]
Lose Yourself: Ralph considers crossing a dangerous line when he and Barry find a way into The Thinker's lair. Harry's behaviour starts to worry Joe. (S4, ep 18) [S]
Null and Annoyed: Barry and Ralph clash over what it means to be a hero when Ralph's attitude riles Barry during a race to track down the bus metas. (S4, ep 17) [S]
Run, Iris, Run: When a meta accidentally transfers Barry's powers to Iris, she finds herself speeding to save the city from a dangerous new threat. (S4, ep 16) [S]
Enter Flashtime: Speedsters Barry, Jesse Quick and Jay Garrick are pushed to their absolute limits when a bomb goes off in Central City. (S4, ep 15) [S]
Subject 9: As DeVoe goes after the remaining metas, Barry meets a powerful woman who might just help to stop him. Meanwhile, Ralph starts to fear for his life. (S4, ep 14) [S]
True Colors: Barry must choose between protecting his identity and saving his cellmates when Amunet comes shopping for superpowers at Iron Height's meta wing. (S4, ep 13) [S]
Honey, I Shrunk Team Flash: Ralph and Cisco get caught in the path of a meta with amazing shrinking powers. Cecile unnerves Joe with a strange new ability. (S4, ep 12) [S]
The Elongated Knight Rises: Ralph gets a golden chance to prove himself when The Trickster is sprung from jail. But is he cut out to be a superhero? (S4, ep 11) [S]
The Trial of The Flash: As Barry goes on trial for the murder of Devoe, Joe and Iris must decide how far they are willing to go to keep him out of jail. (S4, ep 10) [S]
Don't Run: Iris faces a tough call when Caitlin is kidnapped by Amunet and Barry gets trapped in a speedster-proof prison. She can only save one. Who will it be? (S4, ep 9) [S]
Crisis on Earth-X, Part 3: The superheroes team up to take on their most formidable foes yet when Earth-X villains crash Barry's wedding. Crossover event. (S4, ep 8) [S]
When Harry Met Harry: The Flash is in need of an ally when Mina Chayton, a meta who can bring objects to life, hatches a disturbing plan. (S4, ep 6) [S]
Elongated Journey into Night: Gypsy's dad Breacher goes after Cisco when he makes a shock visit to Earth-1. Barry runs into his old nemesis, Ralph Dibny. (S4, ep 4) [S]
Luck be a Lady: Barry and the team are hit by a string of bad luck as meta Hazard rains misfortune down on Central City. Harry shows up with a message for Wally. (S4, ep 3) [S]
Mixed Signals: Our superhero speedster has plenty on his plate. Six months in the Speed Force has taken its toll on his love life and a menacing meta shows up in town. (S4, ep 2) [S]
The Flash Reborn: The fastest man alive blasts back for a fourth series. Cisco pulls Barry out of the Speed Force but he emerges a very different man. (S4, ep 1) [S]
Infantino Street: With just 24 hours left before Savitar murders Iris, Barry realises his last hope of saving the woman he loves rests with Captain Cold. (S3, ep 22) [S]
The Once and Future Flash: Barry travels to 2024 in the hope of discovering Savitar's identity, where he encounters future versions of his Team Flash friends. (S3, ep,19) [S]
Duet: Life becomes a musical for Supergirl and The Flash as Music Meister (Glee's Darren Criss) casts them into an alternate reality. Special crossover episode. (S3, ep 17) [S]
Into the Speed Force: Barry turns to the speed force in a desperate attempt to halt Savitar and save his friends. HR has some advice for Jesse. (S3, ep 16) [S]
The Wrath of Savitar: A dangerous secret threatens Barry and Iris's happiness. Meanwhile, Wally hides something very important from the rest of the team. (S3, ep 15) [S]
Shade: When Wally starts having dreams about being Kid Flash, Barry realises he has to tell Wally, Iris and Joe about what happened to Wally in Flashpoint. (S3, ep 6) [S]
Potential Energy: Barry wonders whether to tell Patty about his double life and Joe and Iris try to bond with Wally. Meanwhile, an evil thief shows up in town. (S2, ep 10) [S]
Running to Stand Still: Barry musts fight for the city when The Weather Wizard tries to break Captain Cold and The Trickster out of Iron Heights at Christmas. Flashing images. (S2, ep 9) [S]
Legends Of Today: When immortal evil-doer Vandal Savage sets his sights on Kendra Saunders, Barry heads to Star City to ask Oliver (AKA Arrow) for help. Flashing images. (S2, ep 8) [S]
Gorilla Warfare: Gorilla Grodd claims a victim when he returns to Central City. Patty begins to suspect that Barry might be hiding something from her. Flashing images. (S2, ep 7) [S]
Enter Zoom: Barry decides the time has come for him to face up to speed demon Zoom. But as he concocts a perilous plan, it appears not everyone has faith in him. Flashing images. (S2, ep 6) [S]
The Darkness And The Light: The Flash is in for a shock when Dr Light comes through the portal. She also brings some alarming news concerning Zoom. (S2, ep 5) [S]
The Fury of Firestorm: Barry and the team desperately search for another Firestorm match for Dr Stein. Plus, Barry and Patty grow closer. Flashing images. (S2, ep 4) [S]
Family of Rogues: Barry and the team discover that Captain Cold has been kidnapped. Plus, Joe is faced with a difficult decision. Wentworth Miller guest stars. (S2, ep 3) [S]
Flash of Two Worlds: Barry and the team have a difficult decision to make when a stranger from Earth-2 shows up with an urgent warning about an evil speedster. Flashing images. (S2, ep 2) [S]
The Man Who Saved Central City: The fastest man alive returns. As a guilt-ridden Barry vows to defend the city, metahuman Atom Smasher threatens an attack. Flashing images. (S2, ep 1) [S]
Infantino Street: With just 24 hours left before Savitar murders Iris, Barry realises his last hope of saving the woman he loves rests with Captain Cold. (S3, ep 22) [S]
Infantino Street: With just 24 hours left before Savitar murders Iris, Barry realises his last hope of saving the woman he loves rests with Captain Cold. (S3, ep 22) [S]