![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 1 Online
Watch The Flash Season 1 full episodes online, free and paid options via our partners and affiliates.
![Barry Allen on The Flash Finale](https://tv-fanatic-res.cloudinary.com/iu/s--R1fyeY63--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1431535792/barry-allen-on-the-flash-finale.jpg)
Dr. Martin Stein is back on The Flash Season 1 Episode 23. Elsewhere, Wells presents Barry with a life-changing choice on this season finale.
![Waiting on Wells - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--q9F_bYCl--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1430260564/waiting-on-wells-the-flash.jpg)
On The Flash Season 1 Episode 22, as Wells once again gets the upper hand on the STAR Labs team, Barry realizes he needs to make a big move and reaches out to an old foe, Captain Cold, for help.
![Troubled - The Flash Season 1 Episode 21](https://tv-fanatic-res.cloudinary.com/iu/s--Dk5m5tg_--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1429729762/troubled-the-flash-s1e21.jpg)
On The Flash Season 1 Episode 21 Barry deals with the Reverse Flash's latest threat while Dr. Wells releases Grodd onto on the city to distract him.
![Setting the Trap - The Flash Season 1 Episode 20](https://tv-fanatic-res.cloudinary.com/iu/s--Cq6BnT7T--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1429045777/setting-the-trap-the-flash-s1e20.jpg)
On The Flash Season 1 Episode 20, Joe, Barry, Cisco and Caitlin try to set a trap for Harrison Wells and Cisco uses himself as bait, putting himself in grave danger.
![An Interrogation - The Flash Season 1 Episode 19](https://tv-fanatic-res.cloudinary.com/iu/s--cYG4oqxG--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1428953324/an-interrogation-the-flash-s1e19.jpg)
On The Flash Season 1 Episode 19 Joe and Cisco travel to Starling City to get some help from Capt. Lance in their investigation into Harrison Wells and Cisco meets Black Canary.
![Just Flying In - The Flash Season 1 Episode 18](https://tv-fanatic-res.cloudinary.com/iu/s--EKVDFQhY--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1427910653/just-flying-in-the-flash-s1e18.jpg)
On The Flash Season 1 Episode 18 Felicity surprises Barry when she shows up in town with her boyfriend Ray in tow, looking for help on his supersuit.
![The Trickster - The Flash Season 1 Episode 17](https://tv-fanatic-res.cloudinary.com/iu/s--LjnG-X5h--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1427163758/the-trickster-the-flash-s1e17.jpg)
On The Flash Season 1 Episode 17, when a Trickster impersonator is bombing Central City, Joe and Barry question the original, imprisoned for 20 years.
![What Have You Heard? - The Flash Season 1 Episode 16](https://tv-fanatic-res.cloudinary.com/iu/s--s_uErC20--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1426200574/what-have-you-heard-the-flash-s1e16.jpg)
On The Flash Season 1 Episode 16, The Flash learns that Captain Cold and Heat Wave have returned to Central City, this time with Snart's baby sister, Lisa, in tow.
![All Smiles - The Flash Season 1 Episode 15](https://tv-fanatic-res.cloudinary.com/iu/s--L49K_tzO--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1425510651/all-smiles-the-flash-s1e15.jpg)
On The Flash Season 1 Episode 15 Cisco realizes that Dr. Harrison Wells may be connected to the Reverse Flash.
![Blast Radius - The Flash Season 1 Episode 14](https://tv-fanatic-res.cloudinary.com/iu/s--nCNaES85--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1423686863/blast-radius-the-flash-s1e14.jpg)
On The Flash Season 1 Episode 14 after the nuclear explosion separates Ronnie and Martin they have to decide if they're safer together or apart.
![Robbie Amell on The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--znevc7YZ--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1423190299/robbie-amell-on-the-flash.jpg)
Robbie Amell guest stars on The Flash Season 1 Episode 13. He's back as Caitlin's former fiance, who is now a dangerous meta human. Uh-oh.
![Meet the Competition - The Flash Season 1 Episode 12](https://tv-fanatic-res.cloudinary.com/iu/s--Fhqazpc7--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1422647580/meet-the-competition-the-flash-s1e12.jpg)
On The Flash Season 1 Episode 12 Caitlin decides she and Barry need to find new loves to occupy their minds other than Ronnie and Iris and they hit a karaoke bar.
![Andrew Mientus as Hartley Rathaway - The Flash Season 1 Episode 11](https://tv-fanatic-res.cloudinary.com/iu/s--9nwent6C--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1421976088/andrew-mientus-as-hartley-rathaway-the-flash-s1e11.jpg)
On The Flash Hartley Rathaway, a former STAR Labs employee who was affected by the particle accelerator explosion, returns to exact revenge on Harrison Wells.
![On the Run - The Flash Season 1 Episode 10](https://tv-fanatic-res.cloudinary.com/iu/s--Aauhtiju--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1421126669/on-the-run-the-flash-s1e10.jpg)
The Flash Season 1 Episode 10 is titled "Revenge of the Rogues." It will kick off 2015 for this CW series and it will feature the return of Captain Cold.
![Focusing on Murder - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--zm5zyZFD--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1417646803/focusing-on-murder-the-flash.jpg)
On The Flash, Barry comes face to face with the Reverse Flash -- the man who killed his mother! When he escapes, The Flash Team works to bring him back in.
![Together Again - The Flash Season 1 Episode 8](https://tv-fanatic-res.cloudinary.com/iu/s--rsmqH-6y--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1416444319/together-again-the-flash-s1e8.jpg)
On The Flash Barry is excited when Team Arrow visits Central City during an investigation, but things don't go well when he tries to prove himself to Oliver.
![The Clock King Visits Central City - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--8udxTzvn--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1415943992/the-clock-king-visits-central-city-the-flash.jpg)
he Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity. During their battle, Farooq zaps The Flash and siphons all his electricity, leaving The Flash without his speed.
![The Flash is Coming](https://tv-fanatic-res.cloudinary.com/iu/s--Qf3IHgLk--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1415565069/the-flash-is-coming.jpg)
The Flash faces a new metahuman named Tony, AKA Girder, who can turn himself into girded steel at will. Wells and Caitlin worry for Barry's safety as Cisco finds a way to take Girder down.
![Friends - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--ElzDC_3s--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1414541440/friends-the-flash.jpg)
On The Flash, after a bomb goes off, the Army rolls in and takes over, surprising Joe. Joe suggests his new friends at STAR Labs should look into the Army involvement.
![Felicity and The Flash Season 1 Episode 4](https://tv-fanatic-res.cloudinary.com/iu/s--5UteH4If--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1413923426/felicity-ad-the-flash.jpg)
Felicity visits The Flash because she heard of Barry's new powers and wants to get a look for herself. She's there in time to get a look at Captain Cold, too!
![Tears for Barry - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--JFNbA6bq--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1412951447/tears-for-barry-the-flash.jpg)
On The Flash Season 1 Episode 3, Iris and Eddie continue to hide their relationship, while Joe decided to finally visit Henry in jail.
![Fixing His Injuries - The Flash](https://tv-fanatic-res.cloudinary.com/iu/s--Oewj_Mra--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1412308147/fixing-his-injuries-the-flash.jpg)
On The Flash, when Barry escorts Iris to a University function to honor a scientist, he saves a life but can't capture people responsible for a robbery in progress.
![The Flash Portrait](https://tv-fanatic-res.cloudinary.com/iu/s--LaV6sbZG--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1410992418/the-flash-portrait.jpg)
After waking up from a trauma induced coma, Barry Allen discovers he has special powers.