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The Flash: The Speed Force Mystery Girl Is Back!

But is she evil?

Lindsay MacDonald

Ever since she first appeared on The Flashat Barry (Grant Gustin) and Iris' (Candice Patton) wedding we've been dying to figure out who this chatty, mystery girl (Jessica Parker Kennedy) who can write in Speed Force code really is. Our latest venture into diffusing nuclear bombs in Flashtime may have just given us a new clue.

We've had our fair share of theories -- the leading one gives us so many WestAllen feels its ridiculous -- but her latest appearance has us doubting whether she's Barry and Iris' daughter after all.

In Tuesday's episode, this girl (let's call her maybe-Dawn for funsies) turned up in Jitters again, this time spilling a big, old cup of Killer Frost coffee on Caitlin (Danielle Panabaker) and Harry (Tom Cavanagh). She was all apologies and sweetness, claiming she was jittery about meeting some people for the first time -- up until Caitlin and Harry left that is. After Caitlin told her she hoped her first meeting went well and got out of earshot, maybe-Dawn turned serious, almost diabolical, and said, "It did."

A couple things about that.

It should be noted that her "accidental coffee spill" happened just as Caitlin and Harry were discussing how Killer Frost had been worried for Caitlin when the nuclear bomb went off and what that might mean. Nothing is a coincidence on this show, so why was it so important to cut that conversation short?

The Flash: The WestAllen Wedding Guest May Hint at the Future

Second, why were those final words so off-putting? We'd hate to think maybe-Dawn wasn't just a cute, time traveling speedster catching a front row seat to her parents' glory days. Unfortunately, we now have to consider the possibility that The Thinker could be behind her sudden appearance, and that doesn't bode well for anyone.

Luckily, it's not all bad news!

Jay Garrick (John Wesley Shipp) showed up to complete one last speedster mission in Central City before deciding to pass the torch on to a new speedster on his Earth. He left Team Flash with the ambiguous hint that he would be training a protégé, whom he'd only refer to has "her," to take his place in the speedster line up.

If maybe-Dawn is in fact a speedster (how else would she be able to be fluent in Speed Force code?) then could she be this new speedster? And if so, does that mean she's not actually Dawn Allen at all, but some new wild card we never saw coming?

The Flash airs Tuesdays at 8/7c on The CW.

(Full disclosure: TV Guide is owned by CBS, one of The CW's parent companies)

​Jessica Parker Kennedy, The Flash

Jessica Parker Kennedy, The Flash