Episode 1 | Armageddon, Part 1

When a powerful alien threat arrives on Earth under mysterious circumstances, Barry, Iris and the rest of the team are pushed to their limits in a desperate battle to save the world.

Episode 2 | Armageddon, Part 2

Despero warns The Flash that great tragedies will lead to Armageddon; Barry doubles down on proving his innocence, but a devastating revelation pushes him to seek counsel from Black Lightning.

Episode 3 | Armageddon, Part 3

Barry meets Black Lightning at the Hall of Justice after things take a dire turn with Despero; Iris suspects something is off with Despero's vision of the future so she seeks help from a powerful ally.

Episode 4 | Armageddon, Part 4

Barry is shocked when Eobard Thawne returns in the most unexpected way, and with a tie to a loved one. Damien Darhk offers advice to Barry but there is a catch. An epic battle begins with The Reverse-Flash against The Flash and Te...

Episode 5 | Armageddon, Part 5

Barry must decide whether to let his greatest enemy die, or save his life.

Episode 6 | Impulsive Excessive Disorder

Nora and Bart travel back to the future, only to discover that their actions in 2021 have altered 2049.

Episode 7 | Lockdown

When a criminal invades the CCPD, Barry and Kramer must trust and rely on each other if they are going to make it out safely; Caitlin learns a valuable lesson while out with Snow and Mark.

Episode 8 | The Fire Next Time

Barry trusts his instincts during a murder investigation, believing the suspect, despite the overwhelming evidence against him; Iris gives Allegra an opportunity to be a mentor.

Episode 9 | Phantoms

Barry and Team Flash get closer to figuring out the Fire Meta but no closer to finding him; Iris, needing a distraction, follows a story to Coast City.

Episode 10 | Reckless

Barry's desire to keep the team safe is tested when Frost recklessly courts danger while trying to stop the Black Flame; Iris tries to help a teen girl reunite with her mother but unintentionally does more harm than good.

Episode 11 | Resurrection

Barry and Chester may have found a way to stop the Black Flame from hurting anyone else; Caitlin decides to handle a situation on her own, possibly putting more innocent lives in danger.

Episode 12 | Death Rises

With a new Meta terrorizing the city, Joe lends a hand to the local authorities; Barry gets an assist from Cecile who helps to track the mass murderer.

Episode 13 | Death Falls

Team Flash is under attack, and each must fight to save not only themselves but each other.

Episode 14 | Funeral for a Friend

Team Flash uses the distraction of a bank robbing Meta to detract from the grief of losing someone they love.

Episode 15 | Into the Still Force

The Flash gets an assist from XS; CCPD enlists Chester for help when a mysterious device is found at a crime scene.

Episode 16 | The Curious Case of Bartholomew Allen

The Flash gets blasted with a shockwave forcing his body to age prematurely.

Episode 17 | Keep It Dark

The Flash goes off the grid to look for answers about a new Meta in town; Allegra tries to protect a friend at CC Citizen Media.

Episode 18 | The Man in the Yellow Tie

A new speedster in town gives The Flash more than he bargained for; Cecile's powers experience a growth spurt, allowing her to aid Team Flash on an entirely different level.

Episode 19 | Negative, Part One

A fight looms for The Flash and team; Iris discovers the cause of her time sickness.

Episode 20 | Negative, Part Two

With The Flash still reeling from everything that just happened, the rest of the team rallies to support him when he needs it the most.