Caitlin used her pull over Zoom on The Flash Season 2 Episode 20.
For what? To keep people alive.
Unfortunately, it didn't last nearly as long as she needed it to last.
Then again, when you're pretending to be on the side of the bad guys and secretly helping out the good guys, things get tricky.
Barry enlisted his birth father, Henry, to aid in his decision whether or not to use another particle accelerator explosion to get the speed force back.
While he was grappling with that, Iris had something else for him to think about. Feelings.
Find out what Barry decided, how his dad(s) helped and what Iris had to say.
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Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. Follow her on Twitter.