Australia’s iconic Sydney Opera House is going to give its younger patrons a new, if belated, Halloween celebration, putting on a marathon of the American television series "Buffy the Vampire Slayer."

Why does the Opera House want to appeal to millennials?

The Australian opera house has announced the line-up as part of their upcoming BingeFest, which is said to have been a celebration of all things millennial. Other events associated with the promotion have included a live performance from actor Shia Labeouf, a “Beyonce vs Rihanna” themed dance class, and a reported “Cat Video Festival,” which was said to have been inspired by Lou Reed and Laurie Anderson's Musical Concert for Dogs.

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According to reports, the entire BingeFest event will in itself be a 24 hour marathon.

As with most things reflecting millennial culture, the Opera House has also taken to social media to promote the event, as can be seen below.

What to expect from Buffy?

Joss Whedon’s Buffy character has origins in a 1992 comedy film, but became better known through a spin-off television series which premiered in 1997 on the now defunct WB network. In what was meant to be a deconstruction of the typical “first girl” in a slasher film, the show revolved around the titular heroine, Buffy Summers, played by actress Sarah Michelle Gellar, who was a Slayer, a girl born every generation to fight the forces of the Hellmouth.

In spite of the show’s title, the show would explore its mythology beyond vampires, with Buffy having to fight off various monsters, such as demons and witches.

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As the series goes on, Buffy forms alliances with other supernatural characters, such as a good witch character named Willow, played by Alyson Hannigan.

While announcing the promotion in October seems to suggest it would be an attempt to tie in to Halloween, the event will actually take place on Dec 17 to 18, from 10:30pm to 6:00am. According to reports, the event will be hosted by the A.V. Club.

Tickets for the Buffy showing end on October 14, with a starting price of $24 and an early bird promotion discounting twenty percent off for patrons.