(should I apologize for the Trope-y ending or)
"Beautiful, isn't it Nyssa?"
"You were right Doctor. I haven't seen anything like it."
" Nix-V, a planet completely made of snow, perfect for a bit of respite after- er..."
"Stockbridge. I still can't believe it happened."
"Yes, I can imagine. The place was like a second home for a while. But now, what shall we do first?"
"What is there to do here? The snow must make the terrain impossible to manoeuvre."
"Well, there's a surprising amount of activity here on Nix-V , Nyssa. We could go sleighing ! Susan was rather fond of it when I brought her here. And then perhaps a hot chocolate?"
"That does sound lovely."
============
"Doctor, when you first mentioned this planet, giant hairy ravenous rabbits weren't in your description."
"Ah- those weren't here the last time. We should be safe in this cave."
"Look what they're doing to the TARDIS!"
"Good grief, they've formed a battalion around it! And trying to gnaw through. Nyssa, we're in for a long night. Here, take my coat."
"But won't you need it? It's rather cold in here."
"Hmm, fair point. Can't have both of us perishing. Perhaps if we could…there!"
"Doctor , what are you doing?"
"Conserving our body heat. "