The Insider.com

Next year's biggest showdown won't be in a boxing ring, it'll be on PBS, as Shirley MacLaine and Maggie Smith go tit for tat on Downton Abbey. Today, we have two 70-second trailers for the third season, and they're chock full of spoilers!

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RELATED: First Look at Downton Abbey Season 3

The ITV trailer shows a blossoming love story as Sir Anthony Strallan tells Edith, "You've given me back my life," and also features a lot of crying from Branson, Earl and Thomas for reasons unknown.

The PBS trailer reveals dissension between O'Brien and Thomas, but indicates that Dowager Countess is still up to her old tricks.

VIDEO: England's Finest Spoof Downton Abbey

"An aristocrat with no servants is as much use to the country as a glass hammer," says Maggie Smith's character.

Downton premieres in the U.S. on January 6, 2013.