Scooby-Doo Team-Up #21
In "Happy Harley-Daze!", Harley Quinn tries to prove she’s a true detective by teaming up with Mystery Inc. to unmask a Christmas ghost—only to find the case takes a wild turn when the Joker crashes the sleigh with a scheme of his own. Written by Sholly Fisch and brought to life by Dario Brizuela’s dynamic art, this festive mystery blends holiday cheer with classic Scooby-Doo antics, all wrapped in a cover by Brizuela that captures the chaos in bold, playful detail.
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Harley wants to join the Mystery Inc. gang to expose a Christmas ghost, but the Joker shows up and derails the investigation with his latest plot.
Plot details indexed by the Grand Comics Database (CC BY-SA).