Official release dates for every fandom

Doctor Who
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Season 8 starts 23August 2014
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Avengers
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Avengers: Age of Ultron opens May 1st, 2015 
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Heroes of Olympus
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Blood of Olympus: October 7, 2014
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Shadowhunters
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The Dark Artifices: Lady Midnight: 2015
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Harry Potter
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Wonderbook: Book of Spells
is an enchanted book that brings spells to life around you, and includes new writing from J.K. Rowling, such as spell descriptions and stories from the wizarding world.

Fantastic Beasts and Where to Find Them : November 16, 2016
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Sherlock
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Will NOT return before 2016
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Disney
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Planes: Fire&Rescue: July 18, 2014

Big Hero 6: November 26, 2014

Inside Out: June 19, 2015

The Good Dinosaur: November 25, 2015

Zootopia: March 4, 2016

Finding Dory: June 17, 2016

Giants: 2016

Moana: 2018

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DIO/OOF/COTB
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Omega Dragon: Site says Late 2014 but I'm not convinced
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Once Upon A Time
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Season 4: This fall!