If you are watching the 2160p version with HDR (High Dynamic Range), you will notice a significant difference in contrast. The warm, golden hues of a Texas afternoon and the dim, moody lighting of the garage where George Sr. spends his time look significantly better in 4K. The depth of field creates a movie-like quality that standard 1080p broadcasts often flatten.
While Sheldon navigates his new authority, the rest of the family deals with their own "sketchy" situations: young sheldon s06e05 2160p