ABC, CBS, Fox, NBC and CMT have joined forced to air a Hurricane Harvey relief telethon, it was announced today.

George Clooney, Beyonce, Oprah Winfrey, Barbra Streisand and Reese Witherspoon are among the stars set to appear on the broadcast, set for September 12 at 8pm ET.

Houston rapper Bun B and Scooter Braun organized the telethon, “Hand in Hand: A Benefit for Hurricane Harvey Relief.” The one-hour special, which will air across the big four broadcast networks and on CMT, will be based in Los Angeles, with stages in New York and Nashville. The event will also feature a performance from Texas native George Strait from his San Antonio benefit concert. The show will broadcast live on the East Coast and replay on the West Coast and will be available online via live stream on Facebook and Twitter during the East Coast airing.

Click here for more information about the upcoming telethon.