Young Sheldon 4×17 Promo “A Black Hole” Young Sheldon 4×17 “A Black Hole” Season 4 Episode 17 Promo – The Coopers discuss the possibilities of black holes and alternate universes when Dr. Sturgis comes over for dinner, on YOUNG SHELDON, Thursday, May 6th on CBS. Show More… 233 Comments Related Videos Young Sheldon Season 4 Promo (HD) Young Sheldon Season 2 Promo (HD) Young Sheldon (CBS) “Living with Sheldon” Promo HD – The Big Bang Theory Prequel Spinoff Young Sheldon (CBS) “Working with Sheldon Cooper” Promo HD – The Big Bang Theory Prequel Spinoff