The Butterjunk Effect

Amy and Leela enter a dangerous butterfly derby and become hooked on performance-enhancing nectar.

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Amy and Leela check attached butterfly-wing sporting equipment before a competition. — Fan illustration — not an official episode still.

IDENTITY & SOURCE SCOPE

The reference

Open supplied synopsis / parent-film description

Amy and Leela enter a dangerous butterfly derby and become hooked on performance-enhancing nectar.

Workbook-derived reference; recent release states and missing final codes cross-checked. Not a primary-credit audit.

Catalog snapshot: September 13, 2026. This is not a claim that an editor wrote a full dossier on that date.

Source trail

Operator-supplied episode workbook Episodes!A121:L121

Episode identity and release-date cross-check ↗