ITV's 'Downton Abbey' Season 5 Spoilers: Hugh Bonneville Meets Jeremy Piven, George Clooney! [WATCH]

British network ITV has released two officials clip from the upcoming Season 5 Christmas special from the award-winning drama, Downton Abbey. Hugh Bonneville (Robert Crawley) gets a surprise visit from two-time Academy Award winner George Clooney and three-time Emmy winner Jeremy Piven (Entourage).

During the fourth season, we saw a widowed Lady Mary (Michelle Dockery) not ready to move on from Matthew's death, putting both Lord Gillingham (Tom Cullen) and Charles Blake (Julian Ovenden) on hold. Not only will these characters return, continuing their storyline, there were also new additions to the cast.

We mentioned before, the Three Kings actor is in the midst of mingling with Lady Rose MacClare (James) when he is rudely interrupted by Lady Edith Crawley (Carmichael). Behind-the-scenes though,

According to TV Line, the narrative follows Lord Grantham (Crawley) discovers what life at the abbey would be like had he never been born. In a laugh-out-loud turn of events, an angel presents him an alternate universe where everyone has drowned themselves in booze.

Check out the first clip here:

As we previously reported, the former Batman and superstar agent Ari Gold will appear in a one-off sketch for the ITV charity Text Santa. This is an annual fundraiser that raises money for U.K. charities during the Christmas season.

We also announced that Downton Abbey will be back for a sixth season and will continue to be written by scribe Julian Fellowes.

Don't forget the trailer for the Entourage movie has been released. Ari, Vince, Drama, Turtle and E are all back to hit theater screens in summer 2015.

Check out the second clip here:

Downton Abbey's Season 5 premiere in the U.S. airs January 4, 2015. Readers, are you excited to see George Clooney and Jeremy Piven on the show?