'The Flash': The Internet Reacts to "Run, Iris, Run"

A new speedster entered Central City on tonight's The Flash -- and it looks like fans had a lot to say about it.

Spoilers for tonight's episode of The Flash, "Run Iris, Run", below!

The episode presented fans with a pretty unique scenario, as Iris West-Allen (Candice Patton) was accidentally given Barry Allen's (Grant Gustin) speedster abilities. The powers came from an accidental altercation with Melting Pot (Leonardo Nam), a meta with the ability to swap DNA from one person to another, and proceeded to send Iris on a sort of journey of self discovery.

The Flash fans have been speculating about "Run Iris, Run" for several weeks now, especially after the first look at Iris in her speedster costume. So as you would expect, people had quite a response to this episode on social media. Here's a roundup of some of those tweets.