It's hard to believe 'The Simpsons' is about to air the 22nd edition of Treehouse of Horror, the show's beloved annual Halloween special, this October. Burger King is celebrating the best way they know how with a line of 'Simpsons' action figures that come free with the chain's Kids Meals.

Each toy includes a nod to a classic Treehouse and has an embedded flashlight that reveals a secret image.

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