The midwives are going on a trip. This week, PBS released a new preview for the upcoming Call the Midwife holiday special.

The UK drama follows a group of nuns and midwives working in the destitute East End neighborhood of London. The cast includes Jessica Raine, Miranda Hart, Jenny Agutter, Pam Ferris, Judy Parfitt, Helen George, Bryony Hannah, Laura Main, and Stephen McGann

The Call the Midwife holiday special premieres on December 25th at 7:30 p.m. ET/PT.

Watch the new preview and read more info below:

As Poplar celebrates a white Christmas, Nonnatus House receives an SOS call from a tiny mission hospital in the Eastern Cape that is understaffed, underfunded and threatened with closure. Transported to South Africa and facing some of their toughest challenges, the Nonnatus family digs deep to save Hope Clinic and make a difference to the lives of the people that use it.”

What do you think? Do you watch Call the Midwife? Are you excited for the holiday special?