I’ll explain later…

Capsule Summary: 3×00 The Present Christmas: Desperate to heal Colin after his exposure to the vortex, the Doctor sets course for the universe’s best hospital. Instead, they arrive at a funeral, a few days after Christmas, 2016. When a grieving mother blames the Doctor for her daughter’s death, she decides to hop back in time to investigate. But whatever sent the TARDIS off course is still at work…