Joe Wack

Season 8

• Episode – "Treehouse of Horror VII" (as Joseph Wack)

Season 20

• Episode – "Sex, Pies, and Idiot Scrapes"
• Episode – "Treehouse of Horror XIX"
• Episode – "Coming to Homerica" (as Joseph Wack)

Season 21

• Episode – "Homer the Whopper"
• Episode – "Treehouse of Horror XX"
• Episode – "O Brother, Where Bart Thou?"

Season 22

• Episode – "Elementary School Musical"
• Episode – "Donnie Fatso"

Season 23

• Episode – "Bart Stops to Smell the Roosevelts"
• Episode – "Treehouse of Horror XXII"
• Episode – "The Man in the Blue Flannel Pants"
• Episode – "The Ten-Per-Cent Solution"
• Episode – "The Longest Daycare"

Season 24

• Episode – "Moonshine River"
• Episode – "Penny-Wiseguys"
• Episode – "Dangers on a Train"

Season 25

• Episode – "Homerland"
• Episode – "Four Regrettings and a Funeral"
• Episode – "What to Expect When Bart's Expecting"

Season 26

• Episode – "Clown in the Dumps"
• Episode – "Treehouse of Horror XXV"
• Episode – "The Musk Who Fell to Earth"

Season 27

• Episode – "Every Man's Dream"
• Episode – "Lisa the Veterinarian"
• Episode – "Orange is the New Yellow"

Season 28

• Episode – "Monty Burns' Fleeing Circus"
• Episode – "Friends and Family"
• Episode – "The Town"
• Episode – "Treehouse of Horror XXVII"
• Episode – "There Will Be Buds"
• Episode – "A Father's Watch"
• Episode – "Dogtown"

Season 11

• Episode – "The Mansion Family"
• Episode – "Alone Again, Natura-Diddily"
• Episode – "Bart to the Future"

Season 12

• Episode – "Lisa the Tree Hugger"

Season 13

• Episode – "Treehouse of Horror XII" (as Joseph Wack)