The Simpsons - Season 21 (2009) (season)
USA,
2010, 21 min
VOD (2)
Plots(1)
Lisa discovers the diary of an ancestor that reveals the Simpson family was in the underground railroad before the Civil War. (Prime Video)
Gallery (1)
Photo © 20th Century Fox Television / Matt Groening
![The Simpsons - The Color Yellow - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/811/161811636_642027.jpg)