[s12e4] The Tam Turbulence -

: The group tracks Tam down on campus, only to find that Tam has no idea why Sheldon is angry. The Truth: A Promise Broken Sheldon eventually reveals the source of his grudge to Amy:

: Sheldon felt abandoned and terrified to be on his own, assuming he would never make another friend. 🕊️ Resolution and Growth [S12E4] The Tam Turbulence

: Tam stayed in Texas after meeting a girl, leaving Sheldon to move to California alone. : The group tracks Tam down on campus,