5 Things to Expect from ‘Downton Abbey’ Season 6

PBS series begins airing its final season Sunday, Jan. 3

Downton Abbey Season 6

“Downton Abbey” begins its sixth and final season on Sunday, bringing an end to the highest-rated show in PBS history.

Season 6, which has already aired in the U.K., promises to bring enormous changes to Downton, its owners and staff, as well as plenty of the show’s trademark soapy drama.

Before the upstairs-downstairs period piece returns to PBS for the final time, TheWrap has a spoiler-free list of five things to look forward to in Season 6:

Who killed Mr. Green?
Last season, Anna was accused of killing Mr. Green, the valet who raped her in Season 4, after he was killed when a mysterious figure pushed him in front of an oncoming bus. Mr. Bates eventually (falsely) confessed, letting Anna off the hook in the finale, but the identity of the real killer is still unknown heading into Season 6.

A new love for Lady Mary
Lady Mary’s ever-complicated love life took a turn in Season 5 when she decided she just wasn’t that into Lord Gillingham. But will she have a new love interest in Matthew Goode‘s dashing race car driver Henry Talbot?

A Carson-Hughes wedding
With the line “Of course I’ll marry you, you old booby,” from the Season 5 finale, Mrs. Hughes accepted Carson’s marriage proposal, setting the pair up for a Season 6 wedding, and certainly some fresh drama as well.

The Times They Are A Changin’
Set in 1925, the final season takes place in a period when the middle class was on the rise and the aristocracy was on its way out. Downton will face new financial struggles as society’s attitude toward the noble class begins to change.

A few familiar faces
The final season of “Downton Abbey” will see the return of some old characters one last time before the end. Even faces who haven’t been seen since the first season in 2010 make a reappearance as the show wraps its run.

Watch the trailer for Season 6 below:

“Downton Abbey” Season 6 premieres Sunday, Jan. 3 at 9 p.m. on PBS.