Treehouse of Horror XXI
[cs] Speciální čarodějnický díl XXI
[es] Treehouse of Horror XXI
[fi] Kauhujen talo, osa 21
[fr] Simpson Horror Show XXI
[ga] Treehouse of Horror XXI
[id] Treehouse of Horror XXI
[ru] Treehouse of Horror XXI
[simple] Treehouse of Horror XXI
[sv] Treehouse of Horror XXI
[uk] Treehouse of Horror XXI