The Flash Season 1

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Pilot
4.2
434 votes
1x01 Pilot aired Oct 07, 2014

Barry discovers his powers and puts them to the test, only he finds it's no longer a test but the real thing when he encounters a certain someone.

Fastest Man Alive
3.9
371 votes
1x02 Fastest Man Alive aired Oct 14, 2014

Iris is escorted by Barry to a university gathering, honouring Simon Stagg, a famous scientist. When six gunmen interrupt proceedings, Barry changes into the... read more

Things You Can't Outrun
3.9
347 votes
1x03 Things You Can't Outrun aired Oct 21, 2014

As Barry and the team at S.T.A.R. Labs work to capture Kyle Numbus, aka The Mist, a dangerous new meta-human with toxic gas powers, they revisit the painful ... read more

Going Rogue
4.3
352 votes
1x04 Going Rogue aired Oct 28, 2014

The Flash stops a robbery but the culprits get away after shooting a guard, and The Flash chooses to save the man instead of following the criminals. Joe sho... read more

Plastique
4
328 votes
1x05 Plastique aired Nov 11, 2014

After a bomb goes off downtown, the army, led by General Eiling, rolls in and takes over the case, much to Joe's surprise. Meanwhile, when Joe learns Iris is... read more

The Flash Is Born
4
325 votes
1x06 The Flash Is Born aired Nov 18, 2014

The Flash faces a new meta-human named Tony, who can turn himself into girded steel at will.

Power Outage
4
331 votes
1x07 Power Outage aired Nov 25, 2014

The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.

Flash vs. Arrow
4.5
385 votes
1x08 Flash vs. Arrow aired Dec 02, 2014

Barry is thrilled when Oliver, Felicity and Diggle come to Central City to investigate a case involving a deadly boomerang.

The Man in the Yellow Suit
4.5
373 votes
1x09 The Man in the Yellow Suit aired Dec 09, 2014

Barry enjoys the annual tradition of tree trimming and gift exchange with Joe and Iris. He gives Iris a touching gift, but the moment is interrupted by Eddie... read more

Revenge of the Rogues
4
344 votes
1x10 Revenge of the Rogues aired Jan 20, 2015

Leonard Snart AKA Captain Cold returns to Central City with a new hotheaded partner in tow – Mick Rory AKA Heat Wave. The duo plan to steal a multi-million d... read more

The Sound and the Fury
4
329 votes
1x11 The Sound and the Fury aired Jan 27, 2015

Dr. Wells’ former protégée, Hartley Rathaway, returns to seek revenge on his mentor after being affected by the particle accelerator explosion. Now able to m... read more

Crazy for You
4.1
330 votes
1x12 Crazy for You aired Feb 03, 2015

Caitlin takes Barry out to a local karaoke bar to help them both find new loves. Caitlin strikes out but Barry meets a sports reporter and asks her out for a... read more

The Nuclear Man
4.1
318 votes
1x13 The Nuclear Man aired Feb 10, 2015

After Ronnie attacks a physicist, Barry and the team realize they need to go after Caitlin's fiancé who is now a dangerous meta-human. Barry struggles to bal... read more

Fallout
4.2
314 votes
1x14 Fallout aired Feb 17, 2015

After the nuclear explosion separates Ronnie and Dr. Stein, Barry and the team believe both men are safe. Caitlin is thrilled to have her fiancé back and pre... read more

Out of Time
4.6
394 votes
1x15 Out of Time aired Mar 17, 2015

Mark Mardon aka The Weather Wizard appears in Central City intent on avenging his brother Clyde's death, and sets his sights on Joe, who shot Clyde. When Mar... read more

Rogue Time
4
317 votes
1x16 Rogue Time aired Mar 24, 2015

The Flash learns that Captain Cold and Heat Wave have returned to Central City. This time Snart has brought along his baby sister Lisa aka Golden Glider to h... read more

Tricksters
4.4
342 votes
1x17 Tricksters aired Mar 31, 2015

A copycat killer who goes by the name "The Trickster" starts setting off bombs in Central City. In order to stop the villain, Barry and Joe meet with the ori... read more

All Star Team Up
4.1
314 votes
1x18 All Star Team Up aired Apr 14, 2015

Felicity and Ray Palmer pay a visit to S.T.A.R. Labs for help getting Ray's ATOM suit to work, and ask Cisco for help. Meanwhile, a young tech expert raises ... read more

Who Is Harrison Wells?
4.3
329 votes
1x19 Who Is Harrison Wells? aired Apr 21, 2015

Joe and Cisco head to Starling City to continue their investigation of Dr. Wells. While in town, the duo enlists the help of Captain Lance, and Cisco meets t... read more

The Trap
4.5
331 votes
1x20 The Trap aired Apr 28, 2015

While in Wells' secret room, Barry learns about his battle with the Reverse-Flash in the future, as well as key moments in his life that include marrying Iri... read more

Grodd Lives
4
316 votes
1x21 Grodd Lives aired May 05, 2015

Barry must deal with the Reverse Flash's latest threat to a member of the group. To make matter worse, Dr. Wells unleashes Grodd on the city in order to dist... read more

Rogue Air
4.3
338 votes
1x22 Rogue Air aired May 12, 2015

As Wells once again gets the upper hand on the S.T.A.R. Labs team, Barry realizes he needs to make a big move and reaches out to an old foe, Captain Cold, fo... read more

Fast Enough
4.6
385 votes
1x23 Fast Enough aired May 19, 2015

Wells presents Barry with a life-changing choice. Dr. Martin Stein and Ronnie Raymond return to help the S.T.A.R. Labs team with this final fight.

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