The central hook of this episode introduces Paige (Mckenna Grace) returning to the narrative. The writers have consistently used Paige as a mirror to Sheldon—she is just as smart but lacks his rigid (and often suffocating) family support system.
This review is based on an XviD rip (approx. 350MB). Given the source (broadcast HDTV downscaled to SD), the results are solid: young sheldon s04e16 xvid