What episode did Bobby Brady say When you least expect it expect it?

Bobby Brady said the phrase "When you least expect it, expect it" in "The Brady Bunch" episode titled "The Voice of Christmas," which is the 12th episode of the third season. In this episode, the family prepares for the holiday season, and Bobby's Words reflect a moment of insight about the surprises life can bring. The quote has become a memorable line from the series, showcasing the show's blend of humor and life lessons.