Broadcast: Saturday 14th September 2013
6:00am-7:00am EDT (10:00 GMT) < > « »
BBC America

Featuring: John Barrowman, Gareth David-Lloyd, Burn Gorman, Naoko Mori, Eve Myles, Kai Owen, Nerys Hughes, Sharon Morgan, William Thomas

The night before Gwen's wedding, an alien shapeshifter leaves her carrying more than she bargained for. As everyone gathers for the ceremony, Jack must destroy her big day, unless one of the three mothers present finds a means to stop him.