Warning: This story contains major spoilers from Tuesdays episode ofThe Flash.
Read at your own risk!
But something Barry said in the season premiere could be key in figuring out her actual identity.

Credit: Jack Rowand/The CW
a clear reference to the then-impendingTrial of The Flash.
One line in particular really stuck out as a hint at Mystery Girls identity.
Were gonna need more diapers.

The CW
But what if one line of dialogue most assumed was from the past was actually from the future?
Nora shouldnt be here.
Either way, Helbing promises well find out who the Mystery Girl is in the season finale.
Read our interview with Helbing, Gustin, and Danielle Panabaker about Mystery Girlhere.
The Flashairs Tuesdays at 8 p.m.
ET on The CW.