Downton Abbey Season 5 is just around the corner in the United States with more details revealed on what Julian Fellowes has in store.

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On Friday, The Hollywood Reporter posted an interview with the series creator who dished on his challenges in the new season, one of them including how the characters should be presented to audiences.

"The challenge of anything is to keep it interesting," Fellowes said. "Do we care? Does it matter whether Mary is happy or unhappy? Does it matter whether Edith looks after her child or doesn't? And really, what it comes down to: Are these still people with whom the audience wants to be involved? I think that's the challenge at the start of the series, and it's the challenge at the end of it."

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The creator then talked about the new theme of the fifth season, which basically revolves around the characters living in a different era.

"I think the theme of the fifth series is that the changing world has finally made it over the park wall and is encroaching on the house, and they are all, in different ways finding that they're living in 20th century instead of the 19th," Fellowes said. "Because I think that was the great issue for the generation of the 1920s- that at the beginning of it, they weren't quite sure how much the world had changed."

Downton Abbey Season 5 will air in the United States on Sunday, January 4 at 9 p.m. ET on PBS.