Episode Rankings
- #1 Fan Favorite


Every episode of Biography Season 13 ranked from best to worst. Discover the Best Episodes of Biography Season 13!
Biography is a documentary television series. It was originally a half-hour filmed series produced for CBS by David Wolper from 1961 to 1964 and hosted by Mike Wallace. The A&E Network later re-ran it and
"John Wayne Gacy: A Monster in Disguise" is the best rated episode of "Biography" season 13. It scored 4.1/10 based on 132 votes. Directed by Unknown and written by Unknown, it aired on 8/3/1999. This episode is rated 2.3 points higher than the second-best, "Bob Barker".