Children organise a wedding for their unmarried parents or step-parents. A Dalek and a Cyberman are amongst the out-of-this-world guests at this Doctor Who-themed same-sex wedding. But will the couple still be happy when they see that the prosthetic wedding make-up has transformed one of them into an alien lizard? Rory and Lois are in charge of booking the Tardis to get their two mums to the best-planned wedding in all of space and tim