This Big Bang Theory screencap contains
wohnzimmer, familienzimmer, lesezimmer, lesesaal, wohnzimmer, vorraum, salon, and vorzimmer.
There might also be
bibliothek, buchhandlung, bücher, bücherstand, zeichenraum, and salon.
Sheldon mentioning Penny in the series finale of "Young Sheldon" doesn't automatically imply Leonard's demise in The Big Bang Theory. Speculations about Leonard's death arose from a casual remark, but there are numerous plausible explanations.