If they ads streaming shows to broadcast if the strike lasts longer than expected Here's some choices they could air.
Abc : The Mandalorian, Loki, The Mysterious Benedict Society, Hawkeye, National Treasure Edge of History, High School Muscial the Series, , Doogie Kamealoha M.D. and the Wonderfully World of Disney (Movies)
CBS : Star Trek Discovery (season 2), Star Trek Picard, Star Trek Strange New Worlds, The Twilight Zone, Wolf Pack, School Spirits, Rabbit Hole and the CBS Sunday Movie.
NBC : Brave New World, One of us is Lying, Bel-Air, Vampire Academy, A Friend of the Family, Pitch Perfect Bumper in Berlin, Poker Face, Mrs. Davis, Based on a True Story
Fox : They have their reality shows they don't have to much to worry about but if they wanted they could air some stuff from Tubi.
The CW : All their stuff except for the recently renewed shows from the CW are all foreign shows that have already aired in their countries so they don't have anything to worry about for those shows.