NoHomers.net's 50 Worst episodes

Simpsons forum NoHomers.net has published 3 lists of their 50 worst episodes, the first was in 2003, the second was in January 2006 in the middle of the 17th season, the third was in 2009, and the fourth was in 2011. In the 2003 version, 21 members voted while in the 2006 version, 56 different members voted.

Entries by season
As the seasons increase, the number of "Worst episodes" in each season slowly increases where it peaks in season 11 then decreases.