Watch the Promo for Supergirl “Alex in Wonderland”

The promo for the next new episode of Supergirl has been released. The episode is called, “Alex in Wonderland” and it will air on March 22.

In the episode, “Alex (Chyler Leigh) uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly (Azie Tesfai) helps William (Staz Nair) investigate Lex. Kara (Melissa Benoist) deals with difficult news.”

What did everyone think of tonight’s episode?

Source: CW