DIRECTV and Dish are among the pay TV providers that will hold a free preview of HBO and Cinemax this weekend.

The preview, which will run from Friday, November 17, through Monday, November 20, will help promote HBO’s live Saturday night fundraiser (8 p.m. ET) for autism, A Night of Too Many Stars.

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The special, which will be held at Madison Square Garden, will be hosted by Jon Stewart and include appearances by such stars as Robert DeNiro, Chris Rock, Stephen Colbert, Abbi Jacobson, Jordan Klepper, Hasan Minhaj, John Mulaney, Olivia Munn, John Oliver, Ben Stiller and Adam Sandler.

Other shows that will air this weekend on HBO will include Get Out (pictured above), the critically-acclaimed horror/drama from actor/director Jordan Peele (Saturday, 11 p.m. ET); a new episode of Curb Your Enthusiasm (Sunday, 10 p.m. ET); and John Wick, Chapter 2, the Keanu Reeves-starring action hit (airs at various times.).

Sling TV, Verizon, Frontier and several smaller pay TV operators such as Cincinnati Bell and Eagle Communications have also announced they will air the free HBO/Cinemax preview this weekend.  Other pay TV services may participate as well so consult your guides and apps for more information.

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— Phillip Swann