Watch Flash TV Series Episodes Online.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Pilot | 2014-10-07 | 60 min |
| Season 1 | Episode 2 | Fastest Man Alive | 2014-10-14 | 60 min |
| Season 1 | Episode 3 | Things You Can't Outrun | 2014-10-21 | 60 min |
| Season 1 | Episode 4 | Going Rogue | 2014-10-28 | 60 min |
| Season 1 | Episode 5 | Plastique | 2014-11-11 | 60 min |
| Season 1 | Episode 6 | The Flash Is Born | 2014-11-18 | 60 min |
| Season 1 | Episode 7 | Power Outage | 2014-11-25 | 60 min |
| Season 1 | Episode 8 | Flash vs. Arrow | 2014-12-02 | 60 min |
| Season 1 | Episode 9 | The Man in the Yellow Suit | 2014-12-09 | 60 min |
| Season 1 | Episode 10 | Revenge of the Rogues | 2015-01-20 | 60 min |
| Season 1 | Episode 11 | The Sound and the Fury | 2015-01-27 | 60 min |
| Season 1 | Episode 12 | Crazy for You | 2015-02-03 | 60 min |
| Season 1 | Episode 13 | The Nuclear Man | 2015-02-10 | 60 min |
| Season 1 | Episode 14 | Fallout | 2015-02-17 | 60 min |
| Season 1 | Episode 15 | Out of Time | 2015-03-17 | 60 min |
| Season 1 | Episode 16 | Rogue Time | 2015-03-24 | 60 min |
| Season 1 | Episode 17 | Tricksters | 2015-03-31 | 60 min |
| Season 1 | Episode 18 | All Star Team Up | 2015-04-14 | 60 min |
| Season 1 | Episode 19 | Who Is Harrison Wells? | 2015-04-21 | 60 min |
| Season 1 | Episode 20 | The Trap | 2015-04-28 | 60 min |
| Season 1 | Episode 21 | Grodd Lives | 2015-05-05 | 60 min |
| Season 1 | Episode 22 | Rogue Air | 2015-05-12 | 60 min |
| Season 1 | Episode 23 | Fast Enough | 2015-05-19 | 60 min |
| Season 2 | Episode 1 | The Man Who Saved Central City | 2015-10-06 | 60 min |
| Season 2 | Episode 2 | Flash of Two Worlds | 2015-10-13 | 60 min |
| Season 2 | Episode 3 | Family of Rogues | 2015-10-20 | 60 min |
| Season 2 | Episode 4 | The Fury of Firestorm | 2015-10-27 | 60 min |
| Season 2 | Episode 5 | The Darkness and the Light | 2015-11-03 | 60 min |
| Season 2 | Episode 6 | Enter Zoom | 2015-11-10 | 60 min |
| Season 2 | Episode 7 | Gorilla Warfare | 2015-11-17 | 60 min |
| Season 2 | Episode 8 | Legends of Today | 2015-12-01 | 60 min |
| Season 2 | Episode 9 | Running to Stand Still | 2015-12-08 | 60 min |
| Season 2 | Episode 10 | Potential Energy | 2016-01-19 | 60 min |
| Season 2 | Episode 11 | The Reverse-Flash Returns | 2016-01-26 | 60 min |
| Season 2 | Episode 12 | Fast Lane | 2016-02-02 | 60 min |
| Season 2 | Episode 13 | Welcome to Earth-2 | 2016-02-09 | 60 min |
| Season 2 | Episode 14 | Escape from Earth-2 | 2016-02-16 | 60 min |
| Season 2 | Episode 15 | King Shark | 2016-02-23 | 60 min |
| Season 2 | Episode 16 | Trajectory | 2016-03-22 | 60 min |
| Season 2 | Episode 17 | Flash Back | 2016-03-29 | 60 min |
| Season 2 | Episode 18 | Versus Zoom | 2016-04-19 | 60 min |
| Season 2 | Episode 19 | Back to Normal | 2016-04-26 | 60 min |
| Season 2 | Episode 20 | Rupture | 2016-05-03 | 60 min |
| Season 2 | Episode 21 | The Runaway Dinosaur | 2016-05-10 | 60 min |
| Season 2 | Episode 22 | Invincible | 2016-05-17 | 60 min |
| Season 2 | Episode 23 | The Race of His Life | 2016-05-24 | 60 min |
| Season 3 | Episode 1 | Flashpoint | 2016-10-04 | 60 min |
| Season 3 | Episode 2 | Paradox | 2016-10-11 | 60 min |
| Season 3 | Episode 3 | Magenta | 2016-10-18 | 60 min |
| Season 3 | Episode 4 | The New Rogues | 2016-10-25 | 60 min |
| Season 3 | Episode 5 | Monster | 2016-11-01 | 60 min |
| Season 3 | Episode 6 | Shade | 2016-11-15 | 60 min |
| Season 3 | Episode 7 | Killer Frost | 2016-11-22 | 60 min |
| Season 3 | Episode 8 | Invasion! | 2016-11-29 | 60 min |
| Season 3 | Episode 9 | The Present | 2016-12-06 | 60 min |
| Season 3 | Episode 10 | Borrowing Problems from the Future | 2017-01-24 | 60 min |
| Season 3 | Episode 11 | Dead or Alive | 2017-01-31 | 60 min |
| Season 3 | Episode 12 | Untouchable | 2017-02-07 | 60 min |
| Season 3 | Episode 13 | Attack on Gorilla City | 2017-02-21 | 60 min |
| Season 3 | Episode 14 | Attack on Central City | 2017-02-28 | 60 min |
| Season 3 | Episode 15 | The Wrath of Savitar | 2017-03-07 | 60 min |
| Season 3 | Episode 16 | Into the Speed Force | 2017-03-14 | 60 min |
| Season 3 | Episode 17 | Duet | 2017-03-21 | 60 min |
| Season 3 | Episode 18 | Abra Kadabra | 2017-03-28 | 60 min |
| Season 3 | Episode 19 | The Once and Future Flash | 2017-04-25 | 60 min |
| Season 3 | Episode 20 | I Know Who You Are | 2017-05-02 | 60 min |
| Season 3 | Episode 21 | Cause and Effect | 2017-05-09 | 60 min |
| Season 3 | Episode 22 | Infantino Street | 2017-05-16 | 60 min |
| Season 3 | Episode 23 | Finish Line | 2017-05-23 | 60 min |
| Season 4 | Episode 1 | The Flash Reborn | 2017-10-10 | 60 min |
| Season 4 | Episode 2 | Mixed Signals | 2017-10-17 | 60 min |
| Season 4 | Episode 3 | Luck Be a Lady | 2017-10-24 | 60 min |
| Season 4 | Episode 4 | Elongated Journey Into Night | 2017-10-31 | 60 min |
| Season 4 | Episode 5 | Girls Night Out | 2017-11-07 | 60 min |
| Season 4 | Episode 6 | When Harry Met Harry… | 2017-11-14 | 60 min |
| Season 4 | Episode 7 | Therefore I Am | 2017-11-21 | 60 min |
| Season 4 | Episode 8 | Crisis on Earth-X, Part 3 | 2017-11-28 | 60 min |
| Season 4 | Episode 9 | Don't Run | 2017-12-05 | 60 min |
| Season 4 | Episode 10 | The Trial of the Flash | 2018-01-16 | 60 min |
| Season 4 | Episode 11 | The Elongated Knight Rises | 2018-01-23 | 60 min |
| Season 4 | Episode 12 | Honey, I Shrunk Team Flash | 2018-01-30 | 60 min |
| Season 4 | Episode 13 | True Colors | 2018-02-06 | 60 min |
| Season 4 | Episode 14 | Subject 9 | 2018-02-27 | 60 min |
| Season 4 | Episode 15 | Enter Flashtime | 2018-03-06 | 60 min |
| Season 4 | Episode 16 | Run, Iris, Run | 2018-03-13 | 60 min |
| Season 4 | Episode 17 | Null and Annoyed | 2018-04-10 | 60 min |
| Season 4 | Episode 18 | Lose Yourself | 2018-04-17 | 60 min |
| Season 4 | Episode 19 | Fury Rogue | 2018-04-24 | 60 min |
| Season 4 | Episode 20 | Therefore She Is | 2018-05-01 | 60 min |
| Season 4 | Episode 21 | Harry and the Harrisons | 2018-05-08 | 60 min |
| Season 4 | Episode 22 | Think Fast | 2018-05-15 | 60 min |
| Season 4 | Episode 23 | We Are the Flash | 2018-05-22 | 60 min |
| Season 5 | Episode 1 | Nora | 2018-10-09 | 60 min |
| Season 5 | Episode 2 | Blocked | 2018-10-16 | 60 min |
| Season 5 | Episode 3 | The Death of Vibe | 2018-10-23 | 60 min |
| Season 5 | Episode 4 | News Flash | 2018-10-30 | 60 min |
| Season 5 | Episode 5 | All Doll'd Up | 2018-11-13 | 60 min |
| Season 5 | Episode 6 | The Icicle Cometh | 2018-11-20 | 60 min |
| Season 5 | Episode 7 | O Come, All Ye Thankful | 2018-11-27 | 60 min |
| Season 5 | Episode 8 | What's Past Is Prologue | 2018-12-04 | 60 min |
| Season 5 | Episode 9 | Elseworlds, Part 1 | 2018-12-09 | 60 min |
| Season 5 | Episode 10 | The Flash & The Furious | 2019-01-15 | 60 min |
| Season 5 | Episode 11 | Seeing Red | 2019-01-22 | 60 min |
| Season 5 | Episode 12 | Memorabilia | 2019-01-29 | 60 min |
| Season 5 | Episode 13 | Goldfaced | 2019-02-05 | 60 min |
| Season 5 | Episode 14 | Cause and XS | 2019-02-12 | 60 min |
| Season 5 | Episode 15 | King Shark vs. Gorilla Grodd | 2019-03-05 | 60 min |
| Season 5 | Episode 16 | Failure Is an Orphan | 2019-03-12 | 60 min |
| Season 5 | Episode 17 | Time Bomb | 2019-03-19 | 60 min |
| Season 5 | Episode 18 | Godspeed | 2019-04-16 | 60 min |
| Season 5 | Episode 19 | Snow Pack | 2019-04-23 | 60 min |
| Season 5 | Episode 20 | Gone Rogue | 2019-04-30 | 60 min |
| Season 5 | Episode 21 | The Girl with the Red Lightning | 2019-05-07 | 60 min |
| Season 5 | Episode 22 | Legacy | 2019-05-14 | 60 min |
| Season 6 | Episode 1 | Into the Void | 2019-10-08 | 60 min |
| Season 6 | Episode 2 | A Flash of the Lightning | 2019-10-15 | 60 min |
| Season 6 | Episode 3 | Dead Man Running | 2019-10-22 | 60 min |
| Season 6 | Episode 4 | There Will Be Blood | 2019-10-29 | 60 min |
| Season 6 | Episode 5 | Kiss Kiss Breach Breach | 2019-11-05 | 60 min |
| Season 6 | Episode 6 | License to Elongate | 2019-11-19 | 60 min |
| Season 6 | Episode 7 | The Last Temptation of Barry Allen, Part 1 | 2019-11-26 | 60 min |
| Season 6 | Episode 8 | The Last Temptation of Barry Allen, Part 2 | 2019-12-03 | 60 min |
| Season 6 | Episode 9 | Crisis on Infinite Earths: Part Three | 2019-12-10 | 60 min |
| Season 6 | Episode 10 | Marathon | 2020-02-04 | 60 min |
| Season 6 | Episode 11 | Love Is a Battlefield | 2020-02-11 | 60 min |
| Season 6 | Episode 12 | A Girl Named Sue | 2020-02-18 | 60 min |
| Season 6 | Episode 13 | Grodd Friended Me | 2020-02-25 | 60 min |
| Season 6 | Episode 14 | Death of the Speed Force | 2020-03-10 | 60 min |
| Season 6 | Episode 15 | The Exorcism of Nash Wells | 2020-03-17 | 60 min |
| Season 6 | Episode 16 | So Long and Goodnight | 2020-04-21 | 60 min |
| Season 6 | Episode 17 | Liberation | 2020-04-28 | 60 min |
| Season 6 | Episode 18 | Pay the Piper | 2020-05-05 | 60 min |
| Season 6 | Episode 19 | Success Is Assured | 2020-05-12 | 60 min |
| Season 7 | Episode 1 | All's Well That Ends Wells | 2021-03-02 | 60 min |
| Season 7 | Episode 2 | The Speed of Thought | 2021-03-09 | 60 min |
| Season 7 | Episode 3 | Mother | 2021-03-16 | 60 min |
| Season 7 | Episode 4 | Central City Strong | 2021-03-23 | 60 min |
| Season 7 | Episode 5 | Fear Me | 2021-03-30 | 60 min |
| Season 7 | Episode 6 | The One with the Nineties | 2021-04-06 | 60 min |
| Season 7 | Episode 7 | Growing Pains | 2021-04-13 | 60 min |
| Season 7 | Episode 8 | The People v. Killer Frost | 2021-05-04 | 60 min |
| Season 7 | Episode 9 | Timeless | 2021-05-11 | 60 min |
| Season 7 | Episode 10 | Family Matters, Part 1 | 2021-05-18 | 60 min |
| Season 7 | Episode 11 | Family Matters, Part 2 | 2021-05-25 | 60 min |
| Season 7 | Episode 12 | Good-Bye Vibrations | 2021-06-08 | 60 min |
| Season 7 | Episode 13 | Masquerade | 2021-06-15 | 60 min |
| Season 7 | Episode 14 | Rayo de Luz | 2021-06-22 | 60 min |
| Season 7 | Episode 15 | Enemy at the Gates | 2021-06-29 | 60 min |
| Season 7 | Episode 16 | P.O.W. | 2021-07-06 | 60 min |
| Season 7 | Episode 17 | Heart of the Matter, Part 1 | 2021-07-13 | 60 min |
| Season 7 | Episode 18 | Heart of the Matter, Part 2 | 2021-07-20 | 60 min |
| Season 8 | Episode 1 | Armageddon, Part 1 | 2021-11-16 | 60 min |
| Season 8 | Episode 2 | Armageddon, Part 2 | 2021-11-23 | 60 min |
| Season 8 | Episode 3 | Armageddon, Part 3 | 2021-11-30 | 60 min |
| Season 8 | Episode 4 | Armageddon, Part 4 | 2021-12-07 | 60 min |
| Season 8 | Episode 5 | Armageddon, Part 5 | 2021-12-14 | 60 min |
| Season 8 | Episode 6 | Impulsive Excessive Disorder | 2022-03-09 | 60 min |
| Season 8 | Episode 7 | Lockdown | 2022-03-16 | 60 min |
| Season 8 | Episode 8 | The Fire Next Time | 2022-03-23 | 60 min |
| Season 8 | Episode 9 | Phantoms | 2022-03-30 | 60 min |
| Season 8 | Episode 10 | Reckless | 2022-04-06 | 60 min |
| Season 8 | Episode 11 | Resurrection | 2022-04-13 | 60 min |
| Season 8 | Episode 12 | Death Rises | 2022-04-27 | 60 min |
| Season 8 | Episode 13 | Death Falls | 2022-05-04 | 60 min |
| Season 8 | Episode 14 | Funeral for a Friend | 2022-05-11 | 60 min |
| Season 8 | Episode 15 | Into the Still Force | 2022-05-18 | 60 min |
| Season 8 | Episode 16 | The Curious Case of Bartholomew Allen | 2022-05-25 | 60 min |
| Season 8 | Episode 17 | Keep It Dark | 2022-06-08 | 43 min |
| Season 8 | Episode 18 | The Man in the Yellow Tie | 2022-06-15 | 60 min |
| Season 8 | Episode 19 | Negative, Part One | 2022-06-22 | 60 min |
| Season 8 | Episode 20 | Negative, Part Two | 2022-06-29 | 60 min |
| Season 9 | Episode 1 | Wednesday Ever After | 2023-02-08 | 60 min |
| Season 9 | Episode 2 | Hear No Evil | 2023-02-15 | 60 min |
| Season 9 | Episode 3 | Rogues of War | 2023-02-22 | 60 min |
| Season 9 | Episode 4 | The Mask of the Red Death, Part One | 2023-03-01 | 60 min |
| Season 9 | Episode 5 | The Mask of the Red Death, Part Two | 2023-03-08 | 60 min |
| Season 9 | Episode 6 | The Good, the Bad, and the Lucky | 2023-03-15 | 60 min |
| Season 9 | Episode 7 | Wildest Dreams | 2023-03-29 | 60 min |
| Season 9 | Episode 8 | Partners in Time | 2023-04-05 | 60 min |
| Season 9 | Episode 9 | It's My Party and I'll Die If I Want To | 2023-04-26 | 60 min |
| Season 9 | Episode 10 | A New World, Part 1: Reunions | 2023-05-03 | 60 min |
| Season 9 | Episode 11 | A New World, Part 2: The Blues | 2023-05-10 | 60 min |
| Season 9 | Episode 12 | A New World, Part 3: Changes | 2023-05-17 | 60 min |
| Season 9 | Episode 13 | A New World, Part 4: Finale | 2023-05-24 | 60 min |
