Jethro is finally told that he can finish the fifth grade by Doctor Twombly, but the doctor still wants to see Grannie; her love potion for Pearl misfires, leaving Twombly confused.
Jed takes over Drysdale's job for one afternoon and wins him the Banker of the Year title; Drysdale accidentally uses the wrong speech for his conference, and a new teller makes an impact.
A member of a powerful gang murders a shopkeeper; the deputized Cartwrights sentence a murderer to hang at dawn when the leader of the gang kidnaps Ben and holds him hostage.
When their parents die while crossing the country in a wagon train, the orphaned Segar children are left to fend for themselves, with only the wagon master for protection.
A British sailor who falls for a woman incurs the ire of her father and becomes banished from California; he faces a powerful storm while diving for pearls.