1. The Flash Reborn

In the season four premiere, Cisco (CARLOS VALDES) makes a risky decision to bre... More

2. Mixed Signals

Barry and Iris go to couples therapy while a new metahuman stalks billionaires i... More

3. Luck Be a Lady

The team faces Becky Sharpe, known as Hazard, who can gain good luck for herself... More

4. Elongated Journey Into Night

Cisco is shocked when Gypsy (JESSICA CAMACHO) and her father, Breacher (DANNY TR... More

5. Girls Night Out

Caitlin fears that her past as Killer Frost will cause problems for her. Felicit... More

6. When Harry Met Harry…

Barry turns to a surprising ally to defeat a new metahuman.

7. Therefore I Am

Barry confronts DeVoe, whose past is revealed through flashbacks.

8. Crisis on Earth X, Part 3

Barry and Iris' wedding is interrupted by the villains of Earth X.

9. Don't Run

Caitlin is kidnapped and Flash is trapped in a speed-proof prison.

10. The Trial of The Flash

As Barry's trial for the murder of Clifford DeVoe begins, Iris and Joe must deci... More

11. The Elongated Knight Rises

While Barry struggles with his trial, Ralph must rise up to protect Central City... More

12. Honey, I Shrunk Team Flash

The team fights against a meta that can reduce the size of everything it touches... More

13. True Colors

Amunet makes a deal to buy the metahumans of Iron Heights. Barry will make a dec... More

14. Subject 9

After learning that DeVoe is targeting everyone who was on the bus, Ralph decide... More

15. Enter Flashtime

Barry, Jessie Quick and Jay Garrick slow down time when a nuclear bomb is detona... More

16. Run, Iris, Run

Iris is given Barry's speed when the team faces a meta who can swap people's DNA.

17. Null and Annoyed

While Barry and Ralph clash over their different approaches to finding the remai... More

18. Lose Yourself

When Barry and Team Flash find a way into the Thinker's lair, Ralph considers cr... More

19. Fury Rogue

When Barry needs help transporting a dangerous meta, he calls on an old friend t... More

20. Therefore She Is

Barry and Team Flash team up with Gypsy to try to thwart the Thinker's plan.

21. Harry and the Harrisons

Flash and his team rely on an unexpected ally to defeat DeVoe.

22. Think Fast

DeVoe attacks the A.R.G.U.S. facility. and Barry realizes that the only way to s... More

23. We Are the Flash

In the Season Four finale, Team Flash gets help from a surprising ally in their ... More