The Adventures of Ozzie and Harriet (1952)

Season 1: Episode 18

While discussing The Rover Boys' books with Thorny, Ozzie takes off to check out a book at the library, hoping to prove Thorny wrong. But when he's caught with a big book, one of his boys' teachers is convinced he knows a lot about the Peloponnesian War and asks him to lead a book discussion. Ozzie is just too proud to admit the truth and decides to learn everything he can before the PTA meeting.