It's called Halloween Rescue Squad, a service that promises to deliver free Mars candy to your neighborhood in under an hour if you think you might run out.
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That's right, M&M's will come to the rescue if you're low.
M&M's parent company Mars is teaming up with the delivery service Gopuff to facilitate the one-day operation.
That day, of course, October 31st.
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Starting at 3 p.m. ET, you can hit up the Halloween Rescue Squad website for candy reinforcements if you're running low.
A backup supply of candy should be there within an hour, while supplies last.
You must live in a Gopuff delivery area to be eligible for the offer.