DIRECTV, Dish and AT&T’s U-verse TV service this weekend will hold a free preview of HBO and Cinemax to help promote the final season of HBO’s The Leftovers and a new original HBO movie starring Oprah Winfrey.

The free preview will run from Friday, April 21, through Monday, April 24. (Other TV providers may later announce they will hold the preview as well. )

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Season three of the supernatural drama, Leftovers, debuted last night on HBO. The show, which stars Carrie Coon and Justin Theroux, centers on the mysterious disappearance of 140 million people from planet Earth and how the survivors learn to cope with the unexplained event.

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Episode two of season three of Leftovers will first air on Sunday night at 9 p.m. ET.

HBO this weekend will also debut an original movie, The…