![The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--MwBBjzLP--/c_fill,h_315,w_851/d_tv-fanatic-placeholder-square.png,f_auto,fl_lossy,q_75/v1508547255/banner/the-flash.jpg)
The Flash
Wednesdays 8:00 PM on The CWWatch The Flash Season 4 Online
Watch The Flash Season 4 full episodes online, free and paid options via our partners and affiliates.
![A Surprising Ally - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--N7TZ121O--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1526924336/a-surprising-ally-the-flash.jpg)
We kick things off on a high note. Iris brings Marlize back to Star Labs where the estranged wife suggests a plan to send Barry into...
![Going Solo - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--EZG-kuXl--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1526339865/going-solo-the-flash.jpg)
On The Flash Season 4 Episode 22, shaken by Ralph’s death, Barry isn’t sure he wants to risk any more of his friends’ lives and considers taking on DeVoe solo.
![Harry Gets Kicked Out - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--aHSc3L0E--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1525645009/harry-gets-kicked-out-the-flash.jpg)
On The Flash Season 4 Episode 21, Harry hits an all-time low when the “Council of Wells” kicks him out but then Cisco shows him the “Council of Harrisons."
![Time for War - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--BsX0raAK--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1524752262/time-for-war-the-flash.jpg)
On The Flash Season 4 Episode 20, Barry and Team Flash team up with Gypsy to try and outwit the Thinker, but will it be too late?
![Citizen Cold Returns - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--tUUZ83tI--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1524522134/citizen-cold-returns-the-flash.jpg)
On The Flash Season 4 Episode 19, Barry needs help transporting a dangerous meta and ends up calling upon a new friend for help, Leo Snart, AKA Citizen Cold.
![The Thinker's Lair - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--dMlFrDCp--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1523929824/the-thinkers-lair-the-flash.jpg)
On The Flash Season 4 Episode 18, Ralph considers crossing a dangerous line to defeat DeVoe, when the team finds a way to enter The Thinker's lair.
![Looking For a Favor - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--ArNnAdxf--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1522974716/looking-for-a-favor-the-flash.jpg)
On The Flash Season 4 Episode 17, Ralph and Barry clash when they take different approaches to finding the remaining bus metas before DeVoe gets to them.
![A Meta With Great Power - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--n6KwWUjq--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1520180341/a-meta-with-great-power-the-flash.jpg)
On The Flash Season 4 Episode 16, Iris is given Barry's abilities and is forced to suit up, but how does she do?
![Killer Frost Is Hurt - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--7bK-DQSb--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1520180254/killer-frost-is-hurt-the-flash.jpg)
On The Flash Season 4 Episode 15, Jesse and Jay Garrick join forces with The Flash when a bomb detonates in Central City.
![Help In The Battle - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--fPVKvch3--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1518987595/help-in-the-battle-the-flash.jpg)
On The Flash Season 4 Episode 14, Barry meets a powerful woman who could help him in his battle with DeVoe, who is targeting everyone who was on the bus.
![Protecting His Cellmates - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--pPiTqdiH--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1517882368/protecting-his-cellmates-the-flash.jpg)
On The Flash Season 4 Episode 13, Barry is forced to make a decision about whether he should expose his powers in order to save his cellmates.
![Temporary Powers - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--bPzABz9r--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1517184032/temporary-powers-the-flash.jpg)
On The Flash Season 4 Episode 12, Cisco and Ralph get caught in the crossfire and end up being shrunk by a meta who does battle with Team Flash.
![The Elongated Man - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--hfsWhSr3--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1516662140/the-elongated-man-the-flash.jpg)
On The Flash Season 4 Episode 11, while Barry is detained by his trial, Ralph must defend the innocent as a familiar villain returns to terrorize Central City.
![How Far To Go - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--EV58Yz4Z--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1515982927/how-far-to-go-the-flash.jpg)
On The Flash Season 4 Episode 10, Iris and Joe must decide how far they are willing to go to keep Barry out of prison when he is put on trial for murder.
![Barry is Worried - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--fUZHJNss--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1511974471/barry-is-worried-the-flash.png)
On The Flash Season 4 Episode 9, DeVoe puts a dangerous plan in motion as he kidnaps Barry and the scarlet speedster may lose someone he loves.
![The Flarrow Bros - The Flash Season 4 Episode 8](https://tv-fanatic-res.cloudinary.com/iu/s--NZaJ_m2k--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1510979595/the-flarrow-bros-the-flash.jpg)
On The Flash Season 4 Episode 8 the heroes of the Arrowverse come together for Barry Allen and Iris West's wedding which gets crashed by evil forces from Earth-X.
![Meeting DeVoe - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--kGV_kY5s--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1511219233/meeting-devoe-the-flash.jpg)
On The Flash Season 4 Episode 7, with the wedding just a week away, Iris adds the final touches, while, Barry comes face to face with DeVoe.
![Two Cool Superheroes - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--s3EsgPbA--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1510244771/two-cool-superheroes-the-flash.png)
On The Flash Season 4 Episode 6, Barry tries to train the new recruit in the team, but his efforts fail badly.
![A Night to Remember - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--ews7xmO6--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1509640504/a-night-to-remember-the-flash.png)
On The Flash Season 4 Episode 5, Felicity Smoak stops by and the girls head out for a night on the town, but someone causes drama for them.
![Gypsy's Father Visits - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--NY5ez83X--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1509408241/gypsys-father-visits-the-flash.jpg)
On The Flash Season 4 Episode 4, Barry runs into an old enemy, while Cisco is shocked when Gypsy’s father, Breacher, unexpectedly shows up on Earth-1.
![Speed Vs Luck - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--9O-02a6F--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1508358901/speed-vs-luck-the-flash.jpg)
In The Flash Season 4 Episode 3 Barry and the team are hit by a string of back luck when a new meta Hazard comes back to Central City.
![Shiny Flash Suit - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--nCKFfTO1--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1507231662/shiny-flash-suit-the-flash.jpg)
On The Flash Season 4 Episode 2 Iris West and Barry Allen go to couples therapy while Cisco Ramon and Gypsy deal with relationship issues of their own.
![Can You Dig The Flash-y Vibe](https://tv-fanatic-res.cloudinary.com/iu/s--9umqnPt---/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1505847940/can-you-dig-the-flash-y-vibe.jpg)
On The Flash Season 4 Episode 1, it's been six months since Barry entered the Speed Force. Despite that, Team Flash continues to protect Central City.