A polite kid named Thomas Thomas giving precise directions for Strax to drive to his destination...
That was a bit random, wasn't it?
other than that, I'd say good zany unpredictable Doctor Who fun.
I enjoyed the trio and would like to see more of them. if not a spin-off show, maybe a couple of TV movie specials?
I wonder if they could have written Clyde and Rani into the story instead of the two generic kids Clara is taking care of in her spare time?