Sky will be celebrating Harry Potter's 20th anniversary in style this Christmas and New Year, as the exclusive home of both Harry Potter 20th Anniversary: Return to Hogwarts and Harry Potter: Hogwarts Tournament of Houses.

Sky's streaming service NOW will also make the shows - based on the mega-selling book series by JK Rowling - available to viewers.

Set to air on New Years Day, Harry Potter 20th Anniversary: Return to Hogwarts will see Daniel Radcliffe, Rupert Grint and Emma Watson join filmmaker Chris Columbus and other esteemed cast members across all eight Harry Potter films as they travel back to Hogwarts for the first time to celebrate the anniversary of the franchise’s first film, Harry Potter and the Philosopher’s Stone.

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The retrospective special will tell an enchanting making-of story through all-new in-depth interviews and cast conversations, inviting fans on a magical first-person journey through one of the most beloved film franchises.

Sky will also air Harry Potter: Hogwarts Tournament of Houses on the 29th December, a special four-part event hosted by Helen Mirren that will showcase ultimate fan glory on a never-before-seen scale.

Wizarding World fans will put their Harry Potter knowledge to the test, for the ultimate honour of being named House Cup champion.

Harry Potter creator JK Rowling

To complete this Potter fest, Sky & NOW will also be the exclusive home of Fantastic Beasts and Where to Find Them and Fantastic Beasts: The Crimes of Grindelwald, which will join the full collection of The Harry Potter Film Series on a Wizarding World 20th Anniversary pop-up channel set to go live on December 19.

Commenting on the news Zai Bennett, Sky MD of Content UK & Ireland said: "20 years ago we welcomed a little bit of cinema magic into the world as Harry Potter and the Philosopher’s Stone had its big screen debut.

"It’s a franchise like no other, enchanting generations of children and adults alike. We’re marking the occasion by adding every film in the Wizarding World film series to our cinema line-up this festive season and we’re thrilled to be the exclusive home of the next piece of Hogwarts history."