Episode Rankings
- #1 Worst EpisodeClick to reveal


Every episode of To Catch a Killer ranked from worst to best. Explore the Worst Episodes of To Catch a Killer!
The true gruesome story of John Wayne Gacy - a good friend and helpful neighbour, a great child entertainer, a respectful businessman, and a violent serial killer who raped and murdered over 30 young boys.
"Part 1" is the worst rated episode of "To Catch a Killer". It scored 7.3/10 based on 42 votes. Directed by Unknown and written by Unknown, it aired on 1/5/1992. This episode scored 0.1 points lower than the second lowest rated, "Part 2".