Young Alex and Young Kara have been recast for show goes back to Midvale – Season 3 Episode 6.  The episode sends Alex and Kara on a road trip to their hometown of Midvale, “where they relive a murder mystery from high school that shaped their relationship as we know it.” The dramatic hour is appropriately titled “Midvale.”

“You’ll get to see, through the way they interact, how their relationship started when Kara first came to Earth, how it grew, how it became so close and why they’re so close nowadays,” Benoist tells EW.

New Young Kara – Izabela Vidovic

The Fosters actress replaces the original young Girl of Steel Malina Weissman, who now currently stars on Netflix’s A Series of Unfortunate Events, for a flashback-heavy episode that will reveal much more about the Danvers sisters.


New Young Alex – Olivia Nikkanen

A flashback in the sixth episode of Season 3 will introduce viewers to a high school-aged Alex, played by The Americans‘ Olivia Nikkanen, TVLine has learned. When last we saw young Alex, in various flashbacks throughout the first two seasons, she was played by Jordan Mazarati.