TV: The Flash Season 1 Best Episodes

Barry takes on a group of armed men at an awards ceremony, but side effects from his new super power catch up with him.

To steal a priceless diamond, Captain Cold acquires a specialized gun that can slay the Flash. Joe disapproves of Eddie and Iris dating.

Using his meta-human power to siphon electricity, Blackout robs Barry of his speed, then sets his sights on S.T.A.R. labs and Dr. Wells.

During the holidays, the Flash confronts the Reverse-Flash, the man who killed his mother. Caitlin gets surprising news about her fiancé, Ronnie.

While the Flash prepares to vanquish the Reverse-Flash, Captain Cold, teamed with Heat Wave, comes looking for a fight.

While Iris faces trouble in her new job, a former protégé of Dr. Wells uses sound waves to attack the Flash.

Barry and Joe track a deadly metahuman with toxic gas powers, and Caitlin relives the night of the explosion that killed her fiancé.

Barry takes on his childhood bully, who can now turn himself into steel. Iris finally coins the moniker "the Flash."

Caitlin brings Barry out to a karaoke bar, hoping they both meet someone new; Cisco thinks about Hartley's dangerous proposition; Henry's snooping gets him into trouble.

After Ronnie attacks a physicist, Barry and the team realize that he is now a dangerous meta-human and decide to track him down by finding Dr. Martin Stein.

After the explosion separates Ronnie and Dr. Stein, the STAR Labs team believes both men are safe - until General Eiling targets Firestorm.

Mark Mardon aka The Weather Wizard appears in Central City to avenge his brother's death at the hands of Joe. Cisco realizes that Dr. Wells is hiding something.

The Flash learns that Captain Cold and Heat Wave have returned to Central City. This time Snart has brought along his sociopathic baby sister Lisa to help wreak havoc on the city.

James Jesse, a.k.a. The Trickster, once terrorized Central City twenty years ago. Now a copycat has arisen to carry on the name and resume his murderous misdeeds.

Felicity Smoak and Ray Palmer come to Central City seeking help with Ray's suit; an ex-employee releases deadly robotic bees; a group dinner does not go as planned.

While Joe and Cisco travel to Starling City to find answers about Dr. Wells with the help of Captain Lance, Barry must capture a meta-human capable of transforming into the people he touches.

Barry, Caitlin, Cisco and Joe set a trap for Wells using Cisco as bait, which puts him in great danger. Eddie makes a decision regarding Iris, which leaves Joe a bit unsettled.

Knowing it's a deliberate distraction from Dr. Wells, Barry and those at S.T.A.R. Labs can't help but deal with an angry, mind-controlling meta-gorilla.

When Dr. Wells reactivates the Particle Accelerator, Barry must move the imprisoned meta-humans away. To do that, he needs help, and he chooses to ask Captain Cold for it.

Wells presents Barry with a choice. Dr. Martin Stein and Ronnie Raymond (aka Firestorm) return to help the team in their final standoff with the Reverse Flash.

CSI investigator Barry Allen awakens from a coma, nine months after he was hit by lightning, and discovers he has superhuman speed.

The Arrow comes to Central City in pursuit of a felon. Barry hopes to team up, but a meta-human who can control emotions turns one against the other.