roll back the clock
To revisit, recount, return to or recreate a time or era from the past. The purpose of this conference is to roll back the clock by analyzing remains of early human and trying to gain insight into their way of life. The governor is bent on rolling back the clock and returning us to the ethics of the 1950s. I'd love to roll back the clock to when I was a kid. It was such a happy, carefree time in my life.