• Actors Tom Cavanagh (L) and Grant Gustin attends the 'The Flash' Special Video Presentation and Q&A during Comic-Con International 2016 at San Diego Convention Center on July 23, 2016 in San Diego, California.

Actors Tom Cavanagh (L) and Grant Gustin attends the 'The Flash' Special Video Presentation and Q&A during Comic-Con International 2016 at San Diego Convention Center on July 23, 2016 in San Diego, California. (Photo : Photo by Matt Winkelmeyer/Getty Images)

"The Flash" Season 3 episode 3 goes on air on Oct. 18. The upcoming segment is titled "Magenta" and a dramatic reintroduction of Harrison Wells and introduction of a new speedster Jesse Quick and a new villain called Magenta. Here are spoilers and promo for the next chapter of the series. Read on to find out what happens next. Also, find out where to watch "The Flash" episode 03X03 online via live stream. Scroll down for the link.

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[Spoiler alert! This article contains spoilers for "The Flash" Season 3 episode 3 "Magenta." Read on only if you wish to know more about it.]

In the previous episode, Barry Allen realized the consequences of altering the timeline. Barry travels back in time to fix the damage he has caused. In an unexpected twist, he encounters Jay Garrick, who informs Barry that he must learn to live with his mistakes.

Meanwhile, Barry Allen confronts Clariss about the Flashpoint. Here, he also met Alchemy, who is behind the creation of other metahumans. Cisco and Barry, and Iris and Joe resolve their differences. Also, the show shed light on the start of Iris and Barry's romantic relationship.

Moving on to "The Flash" Season 3 episode 3 "Magenta." According to Spoiler TV's description for the upcoming segment, the show will see an exciting reunion between Earth-2 Wells and Barry Allen and the team. He will introduce Jesse Quick, the new speedster.

Jesse not only has all the powers of a speedster but she has also devoted her time to save people on Earth-2. Wells concern about Jesse's safety is the reason why he brings her to meet Barry and Caitlin. He wants the duo to talk to Jesse and convince her to stop using her powers.

Meanwhile, a new problem emerges for Team Flash to deal with. A new metahuman, a new villain, named Magenta, who can control and manipulate metal with magnetic powers, creates chaos in the Central City.

A promo video for "The Flash" Season 3 teases the events of episode 3. It shows the dramatic entry of Wells and Jesse and Chaos Magenta causes in the city. Scroll down to watch it online.

"The Flash" Season 3 episode 3 "Magenta" airs Oct. 18 at 8:00 pm on CW. Fans can also watch episode 03X03 online via live stream on cwtv.com. Stay tuned for more spoilers and updates.