Treehouse of Horror I-V
S2:E3 Treehouse of Horror
S3:E6 Treehouse of Horror II
S4:E5 Treehouse of Horror III
S5:E5 Treehouse of Horror IV
S6:E6 Treehouse of Horror V
Treehouse of Horror VI-X
S7:E6 Treehouse of Horror VI
S8:E1 Treehouse of Horror VII
S9:E5 Treehouse of Horror VIII
S10:E4 Treehouse of Horror IX
S11:E4 Treehouse of Horror X
Treehouse of Horror XI-XV
S12:E1 Treehouse of Horror XI
S13:E1 Treehouse of Horror XII
S14:E1 Treehouse of Horror XIII
S15:E1 Treehouse of Horror XIV
S16:E1 Treehouse of Horror XV
Treehouse of Horror XVI-XX
S17:E4 Treehouse of Horror XVI
S18:E4 Treehouse of Horror XVII
S19:E5 Treehouse of Horror XVIII
S20:E4 Treehouse of Horror XIX
S21:E4 Treehouse of Horror XX
Treehouse of Horror XXI-XXV
S22:E4 Treehouse of Horror XXI
S23:E3 Treehouse of Horror XXII
S24:E2 Treehouse of Horror XXIII
S25:E2 Treehouse of Horror XXIV
S26:E4 Treehouse of Horror XXV
Treehouse of Horror XXVI-XXX
S27:E5 Treehouse of Horror XXVI
S28:E4 Treehouse of Horror XXVII
S29:E4 Treehouse of Horror XXVIII
S30:E4 Treehouse of Horror XXIX
S31:E4 Treehouse of Horror XXX
Treehouse of Horror XXXI-XXXIV
S31:E8 Thanksgiving of Horror
S32:E4 Treehouse Of Horror XXXI
S33:E3 Treehouse of Horror XXXII
S34:E6 Treehouse of Horror XXXIII
S35:E5 Treehouse of Horror XXXIV
S36:E5 Treehouse of Horror XXXV
S37:E3 Treehouse of Horror XXXVI
