He goes home and does what any budding genius does: he builds a spreadsheet (on paper, with a ruler) comparing their academic metrics. He discovers Libby has also read A Brief History of Time , also built a crystal radio, and—this is the crushing blow—she knows Fortran . Sheldon only knows BASIC.
Missy’s arc is the episode’s stealth masterpiece. In a family that orbits Sheldon’s needs, Missy learns to navigate social cruelty without a safety net. Her decision to befriend Jeremy is not heroic—it’s practical, messy, and real. She’s not saving the world; she’s saving one weirdo from loneliness. That’s harder. young sheldon s01e09 720p hdrip