THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. Guest voices Carol Kane and Melissa McCarthy. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. Guest voices Carol Kane and Melissa McCarthy. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. Guest voice Carol Kane. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. Guest voice Carol Kane. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. Guest voice Melissa McCarthy. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. THE SIMPSONS © 2022 by 20th Television.

THE SIMPSONS: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend’s quirky young son.  Lisa and Bart throw the ultimate slumber party in the all-new "Step Brother From the Same Planet" episode of THE SIMPSONS airing Sunday, November 20 (8:00-8:31 PM ET/PT) on FOX. THE SIMPSONS © 2022 by 20th Television.