Watch The Charmed 1×21 Promo “Red Rain”

The promo for the new episode of Charmed has been released. This new episode is titled “Red Rain” and it will air on May 12.

In this new episode, “Galvin (Ser’Darius Blain) discovers that something bizarre is happening with the patients that are being brought into the hospital. Maggie (Sarah Jeffery) gets a clue about how to keep The Source from taking over. Meanwhile, both Macy (Madeleine Mantock) and Galvin do something no one could have predicted.”

Source: The CW