Season 24

Episodes

 * Penny-Wiseguys
 * Treehouse of Horror XXIII
 * Gone Abie Gone
 * Adventures in Baby-Getting
 * The Day the Earth Stood Cool
 * A Tree Grows in Springfield
 * Moonshine River
 * Bob Ultra Highly Toxic Revenge
 * The Changing of the Guardian
 * A Test Before Trying
 * To Cur, With Love
 * Homer Goes to Prep School
 * Love is a Many Splintered Thing

Guest Stars

 * Benedict Cumberbatch will appear in an episode entitled "Love is a Many Splintered Thing," playing the Snake-like British Prime Minister.
 * Fred Armisten, a star of Portlandia, will be the husband of a "cool" couple who move next door to the Simpsons from Portland in the episode "The Day the Earth Stood Cool"
 * Carrie Brownstein, a star of Portlandia, will be the wife of a "cool" couple who move next door to the Simpsons from Portland in the episode "The Day the Earth Stood Cool"
 * Jon Lovitz will reprise his role of Artie Ziff in a segment of "Treehouse of Horror XXIII" that relates to Back to the Future and features an alternate storyline of Homer and Marge.
 * Anne Hathaway will reprise her role of Jenny, a girl who Bart dated, in the episode "Moonshine River"
 * Natalie Portman will reprise her role of Darcy, a girl who Bart dated, in the episode "Moonshine River"
 * Sarah Silverman will reprise her role of Nikki, a girl who Bart dated, in the episode "Moonshine River"
 * Sarah Michelle Gellar will reprise her of Gina, a girl who Bart dated, in the episode "Moonshine River"
 * Zooey Deschanel will reprise her of Mary, a girl who Bart dated, in the episode "Moonshine River." She will have the largest role of the five girlfriends.
 * Jennifer Tilly will guest star as herself, appearing in an instructional online poker video Lisa watches, in the episode "Gone Abie Gone."
 * Steve Carell, former star of The Office, will voice Fat Tony's accountant, Dan Gillick, and ends up taking over the mafia.
 * Anika Noni Rose will play a nightclub singer and Grampa's old flame.

Unknown episodes

 * One episode will feature Homer and Santa's Little Helper
 * Michael Price wrote an episode where Bart and Homer help to obtain a small steam train in the now closed Itchy & Scratchy Land.