The clock is ticking for HBO's Watchmen television series.
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The series' Twitter account has begun a new social media campaign.
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The campaign teases the arrival of a new trailer, which could be very soon.
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The campaign tweets users directly, but doesn't lead to a trailer just yet.
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It's likely the new trailer will debut this weekend at San Diego Comic-Con.
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The new Watchmen series is meant to act as a sequel, as well as brand-new.
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HBO's Watchmen series will premiere in the fall of 2019.
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