Michael Sheen and Lizzy Caplan star in the drama, which returns next weekend.

As the binge-watching era is all about instant gratification, it only makes sense that Showtime would make the season-four premiere of Masters of Sex” available early — even for non-subscribers. The hit drama starring Michael Sheen and Lizzy Caplan doesn’t return for real until next week, but any interested parties can watch it now

READ MORE: ‘Masters of Sex’ Creator Michelle Ashford on the Art of Showrunning (Emmy Video)

Here’s the synopsis for the upcoming season: “As the late ’60s become the early ’70s, “Masters of Sex” is all about revolution. Bras are burning, sex is everywhere, and Masters and Johnson reap the benefits and the pressures of the revolution they’ve let loose in the world. Beginning the season at odds and burdened by lies, they slowly switch roles in both their work and the bedroom.” Caitlin FitzGerald and Annaleigh Ashford co-star, with Beau Bridges, Sarah Silverman, Niecy Nash, Alysia Reiner and others set to make guest appearances.

READ MORE: ‘Masters of Sex’ Creator Michelle Ashford on Season 4 Plans and Beyond

“Masters of Sex” first premiered in 2013. Its fourth season begins for real next Sunday, September 11.

Stay on top of the latest breaking film and TV news! Sign up for our Email Newsletters here.

Sign Up: Stay on top of the latest breaking film and TV news! Sign up for our Email Newsletters here.