The season finale of Downton Abbey will have some major stories, including Edith's baby and more detail on Paul Giamatti's character.

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It looks like audiences will be able to see Edith's baby although the child's mother may not be happy with her new life as a mom. She was apparently supposed to have her child in Switzerland, but now it looks like she's coming back to London, according to Carter Matt.

The TV site also reported that Giamatti's character as Cora's brother, Harold, will likely have a more detailed storyline, including his connection with one of the servants. It also looks like some new characters besides Harold will make an appearance as well.

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It also looks like the story between Anna and Bates will continue.

As for Season 5, it appears that new characters will be showing up, including a Russian refugee as well as a guest of the Granthams. played by Rade Sherbedgia and Richard E. Grant.

"We look forwarding to introducing these new characters to our Masterpiece audience," Masterpiece executive producer Rebecca Eaton said in a statement.

"We are delighted to welcome these talented actors to the world of 'Downton,'" executive producer Gareth Neame said. "The characters they play are set to bring yet more excitement and intrigue to the show."

Downton Abbey won a Golden Globe in 2012 for Best Mini-Series Made for Television. The series stars Hugh Bonneville, Laura Carmichael and Michelle Dockery.

The season finale of Downton Abbey is set to air on Sunday, Feb. 23 at 9 p.m. on PBS.