I found it. It's from "The Doctor Dances" - transcript here (http://who-transcripts.atspace.com/2005%20Transcripts/10_thedoctordances.htm). Excerpt:
DOCTOR The nanogenes will clean up the mess and switch themselves off - because I just told them to. Nancy and Jamie will go to Doctor Constantine for help - ditto - all in all, all things considered - fantastic!
[Rose smiles at his enthusiasm]
ROSE Look at you, beaming away like you're Father Christmas!
DOCTOR Who says I'm not, red-bicycle-when-you-were-twelve?
ROSE [stares] What??
DOCTOR [he holds his arms wide to embrace this fact] And everybody lives, Rose! Everybody lives!
Red bicycle...
Date: 2007-11-21 04:14 pm (UTC)I love that scene - and that whole episode.
I'll go and work on my second random recap ramble
Good! Go for it!