Springfield City Zoo is a roadside zoo in Springfield. Their animals have successfully escaped a few times.
Non-Canon Appearances
The Simpson family visit it with David in a Treehouse of Horror episode with Bart ending up in a cage for mutated Peacocks.
Appearances
Simpsons short – "Zoo Story"
Episode – "Flaming Moe's"
Episode – "New Kid on the Block" (Homer's flashback)
Episode – "Bart's Inner Child"
Episode – "Bart's Comet"
Episode – "Two Dozen and One Greyhounds"
Episode – "In Marge We Trust"
Episode – "Marge Simpson in: "Screaming Yellow Honkers""
Episode – "Guess Who's Coming to Criticize Dinner?"
Episode – "Homer vs. Dignity"
Episode – "Eight Misbehavin'"
THOH – "Treehouse of Horror XVI"
Episode – "Homer the Father"
Comic book – Bart's Day at the Zoo
Video game – The Simpsons: Tapped Out