Episode Rankings
- #1 Worst EpisodeClick to reveal


Every episode of DNA ranked from worst to best. Explore the Worst Episodes of DNA!
DNA is a 5 part PBS documentary special which presents a comprehensive history of DNA science - from the discovery of the double helix structure to the mapping of the human genome to the latest
"The Secret of Life" is the worst rated episode of "DNA". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 4/12/2003. This episode scored 0.0 points lower than the second lowest rated, "Playing God".