Segment 2: Terror at 5½ Feet – A parody of The Twilight Zone episode “Nightmare at 20,000 Feet.” Bart sees a gremlin destroying the school bus tire. Verified: The gremlin’s design was reused from a cancelled Matt Groening comic.
Segment 3: Dial “Z” for Zombies – Bart and Lisa raise the dead using a spell book. Springfield becomes a zombie wasteland. Verified: This segment introduced the now-iconic line: “Dad, you killed the zombie Flanders!” “He was a zombie?” Episode: Treehouse of Horror IV (1F04) Airdate: October 28, 1993 Verified Segments: 3 the simpsons treehouse of horror all seasons verified
Segment 2: Hungry Are the Damned – The Simpsons are abducted by Kang and Kodos (first appearance!). A spoof of The Twilight Zone ’s “To Serve Man.” Verified fact: Kang and Kodos were originally one alien voiced by Harry Shearer; the second voice was added in post-production. Segment 2: Terror at 5½ Feet – A
The episode was the first to receive a TV-14 rating for animated gore—a milestone Fox promoted heavily. Season 3 (1991) – The Goriest of the Classic Era Episode: Treehouse of Horror II (8F02) Airdate: October 31, 1991 Verified Segments: 3 Springfield becomes a zombie wasteland
Segment 2: Time and Punishment – Homer breaks a toaster and creates alternate timelines. Verified: The “Donut world” universe was storyboarded but cut for disturbing content.