To the excitement of its UK viewers, the popular British-American drama, Downton Abbey, is just a couple weeks away from its season 4 Christmas Special, as more details have began to surface on the holiday installment.

Lady Mary, Daisy & Isobel All To Experience Love in Christmas Special?

The promo video shows Martha Levinson, who's played by actress Shirley MacLaine, arriving along with her playboy son, Harvey (Paul Giamatti). Martha then delivers the following dialogue to the Dowager Countess (Maggie Smith):

"Well the gangs all here I see," she said.

In a comedic moment, the Dowager Countess responds to Cora's (Elizabeth McGovern) mother with,"Is that American for hello?"

In another part of the clip, Lady Mary (Michelle Dockery) could be seen having a moment with John Bates (Brendan Coyle), and addressing him in the process.

"I expect many people to regret things they got up to in London," she says.

'Serious Shakeup' & Another Major Death Set To Come In Season 5?

Downton Abbey will be airing the season 4 Christmas Special on Sunday, Dec. 25 in the U.K's ITV. The TV series will be debuting its fourth season in the U.S. on Jan. 5, 2014. Be sure to keep checking back for more details. An official trailer of the special episode can be viewed below.

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