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.
8x02 - 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.
8x03 - 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.
8x04 - 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 Team Flash.
8x05 - Armageddon, Part 5
Barry must decide whether to let his greatest enemy die, or save his life.
8x06 - Impulsive Excessive Disorder
Nora and Bart travel back to the future, only to discover that their actions in 2021 have altered 2049.
8x07 - 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.
8x08 - 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.
8x09 - 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.
8x10 - 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.
8x11 - 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.
8x12 - 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.
8x13 - Death Falls
Team Flash is under attack, and each must fight to save not only themselves but each other.
8x14 - Funeral for a Friend
Team Flash uses the distraction of a bank robbing Meta to detract from the grief to losing someone they love.
8x15 - 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.
8x16 - The Curious Case of Bartholomew Allen
The Flash gets blasted with a shockwave forcing his body to age prematurely.
8x17 - 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.
8x18 - 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.
8x19 - Negative, Part One
A fight looms for The Flash and team; Iris discovers the cause of her time sickness.
8x20 - 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.
Overall: 8.1/10