Other mistake: The clock shows the time as 2:20. Ozzie goes outside and spends five minutes talking with Mr. Thornberry. When Ozzie comes back inside, the time on the clock is still 2:20.
The Adventures of Ozzie & Harriet (1952)
1 mistake in Courage
Starring: Harriet Hilliard, Ricky Nelson, David Nelson, Ozzie Nelson
Trivia: In the later seasons, almost every scene taking place at the Dobson and Kelly law office or in the Emporium or other local business is preceded by the same clip of a downtown street showing "First Bank" and a passing bus.