• Tom Cavanagh and Grant Gustin attend 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.

Tom Cavanagh and Grant Gustin attend 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 : Getty Images/Matt Winkelmeyer)

"The Flash" Season 3 episode 14 will see the conclusion of a two-parter storyline involving Grodd. The upcoming segment is titled "Attack on Central City" and the trouble is not yet over for Barry Allen. Here are a few spoilers for the next chapter of the series. Read on to find out what happens next. Also, find out where to watch episode 3X14 online via live stream.

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[Spoiler alert! This article contains spoilers for "The Flash" Season 3 episode 14 "Attack on Central City." Do not read further if you don't wish to know more about it.]

In the previous episode, Barry and his team travelled to Gorilla City to rescue Wells and fight Solovar. When Barry refuses to follow Grodd's commands, he takes him in his custody. Barry manages to escape the cage and return to Earth-1. Jesse reunites with her father. Julian asks Caitlin for a date. And troubles follows Barry to Earth-1.

Moving on to "The Flash" Season 3 episode 14, the show will see what happens after Grodd and his army of Gorilla invade Earth-1. According to Spoiler TV's description of "Attack on Central City," the gorillas open attack on Earth-1. Meanwhile, the Flash and his team come together to stop them from destroying Central City.

In addition, Gypsy, who was brainwashed, will return to join the fight against the Gorillas. A trailer for "The Flash" Season 4 episode 14 shows the speedsters preparing to fight the army of Gorillas. They will get some help from Joe. Scroll down to watch the promo online.

In an interview with TV Line, showrunner Aaron Helbing teases what to expect from the upcoming segment and the challenges he may face.

"Since Grodd has the ability to overtake anyone, he's going to overtake someone very close to Barry, and almost kill him," Helbing said. "That's really going to affect Barry and make him question: "Do I allow Grodd to live, or should I just kill him and put an end to it? Maybe that will change the future?" You'll see Barry and Kid Flash and Jesse Quick, along with Vibe and Gypsy, take on the army of gorillas and do what they can."

"The Flash" Season 3 episode 14 airs Feb. 28 at 8:00 pm on The CW. Fans can also watch "Attack on Gorilla City" online via live stream on cwtv.com. Stay tuned for more spoilers and updates.