“Past is Present” is the name of the November 22 episode of Charmed and The CW has released a description with some spoilers to promote it!
Here’s the official description for the episode:
HELP IS ON THE WAY – Harry (Rupert Evans) and Macy (Madeleine Mantock) make a startling discovery; Maggie (Sarah Jeffery) teams up with Abby (Poppy Drayton) against an unlikely foe. Mel (Melonie Diaz) must save Kat (guest star Shiva Kalaiselvan) from an uncertain fate. Jordan Donica also stars. PJ Pesce directed the episode written by Natalia Fernandez and Blake Taylor (#207). Original airdate 11/22/2019.
UPDATE: We now have some preview images!