Die Fledermaus (The Bat) is an operetta in three acts composed by Johann Strauss II. The operetta is a comedy of errors, involving mistaken identity, prison, and a bat costume.

The operetta is referenced on episode 213 of The Muppet Show. Giuseppe Wagner is the composer of the opera The Barber of Die Fledermaus, a reference to both The Barber of Seville and Die Fledermaus.

The production was also referenced in Emmet Otter's Jug-Band Christmas by Gretchen Fox, who attmepss to perform, "Die Fieldmouse."

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