How wonderful that was. What happy memories. Thank you all. Steven you're a god damn Doctor Who Messiah ! Be safe out there gang. Look after each other. 11 X #HalfwayOutOfTheDark

My greatest friend. Amy Pond ! #HalfwayOutOfTheDark

Halfway out of the dark. T’was never truer. #HalfwayOutOfTheDark

Ahhh snow .... #HalfwayOutOfTheDark

Thank you Steven, how lucky I was, such happy memories of making this ! #HalfwayOutOfTheDark

Steven Moffat ! What a custodian of this Great Show. A total master of the form, flying fish, a giant shark, an Xmas song and Michael Gambon to boot. Not to mention a sleigh ride over London attached to the apex predator ! #HalfwayOutOfTheDark

This episode is a true showcase of the mad brilliance, the endless invention and downright genius of Mr Steven Moffat. #HalfwayOutOfTheDark

If I could get one thing back from the land of Doctor Who… it would be to appear in the Christmas special each year !!! #HalfwayOutOfTheDark

Ahhh the ponds ! Don’t you LOVE the ponds !! @karengillan @RattyBurvil #HalfwayOutOfTheDark

God Gambon’s good ! #HalfwayOutOfTheDark

It’s this or go to your room and design a new kind of screwdriver ... 😂 #HalfwayOutOfTheDark

I bumped into the teenage Kazran in my home town, on the street, last Xmas… Bonkers ! Hadn’t seen him since this episode. Was his first job ! #HalfwayOutOfTheDark

Young Kazran smahses it ! #HalfwayOutOfTheDark

Katherine Jenkins is brilliant in this. And was a dream to work with. #HalfwayOutOfTheDark

Murray's score creeping in ..... #HalfwayOutOfTheDark

The old cupboard / shark acting Ahhhh only Doctor Who ... #HalfwayOutOfTheDark

There’s a shark in my bedroom !!! Yes Steven Moffat !! #HalfwayOutOfTheDark

Corrr it’s a good episode is this ! The face spider !!! #HalfwayOutOfTheDark

Ahhh Pond is back. In uniform ! #HalfwayOutOfTheDark