The Bell Riots (DS9 S3,EP11-12)

In the episode, a transporter anomaly accidentally sends Commander Sisko, Dr. Bashir, and Jadzia Dax back in time to a pivotal moment in Earth's history. The episode received critical acclaim for analyzing U.S. social issues in a science fiction context, but also for addressing various societal issues such as homelessness, poverty, and technology.   Episode