It feels like they wanted a vehicle for the broody and cranky Eleventh Doctor (Matt Smith, a bit out of his range) to meet the "Impossible Clara" again and the story was an afterthought Excellent wardrobe though.
Eureka s04e21: 'Do You See What I See?'
https://youtu.be/Hj9yBzKvzFcVideo can't be loaded because JavaScript is disabled: Eureka – 4×21 – Do[...]
