Jim Parsons returns as adult Sheldon in Young Sheldon, reflecting on his Texas upbringing and family dynamics. In the seventh season, Sheldon faces changes as his family expands and he returns from studying in Germany. Adjusting to new roles, Sheldon realizes he's no longer the center of attention at home. Young Sheldon contrasts family dynamics with The Big Bang Theory, highlighting differences in Sheldon's relationships with his family members.