Series four episode four trailer

Amid the fallout of the eventful house party a trip to the bright lights of London is planned. Here Sir John Bullock shows his true colours and Rose finds gallantry comes from an unexpected quarter.

Back at the Abbey Mary faces a pressing question about her future, Isobel accepts an offer from Dr Clarkson which rekindles her social conscience, and the manipulative Edna finds herself outmanoeuvred.

Discover more exclusive extras

Recap previous series in our photo highlights

Series four trailer

Watch the first full length trailer for Downton Abbey series four.

How has the house moved on since the tragic events of the Christmas special?

Will the ever-changing world continue to encroach on the Downton way of life?

And, will Carson ever get the silver polished before the guests arrive?

Are you excited about the new series? Join our Facebook and Twitter pages and tell us what you're most looking forward to.

Discover more exclusive extras