Over three seasons (and a pandemic special) on Showtime, “Couples Therapy” has quietly become a destination for healing for television watchers who are interested in the difficult work of digging into interpersonal relationships — or watching other people do that work, anyway. Through the empathetic, incisive probing of Dr. Orna Guralnik, executive producers Elyse Steinberg, Josh Kriegman and Eli Despres have not only explored the complexity of couples’ shared and individual lives, but the essential, often painful and yet invariably revelatory therapeutic process that helps people understand themselves, their partners and the world around them.

Following the April 28 premiere of Part 2 of the show’s third