Silence in L-space - Doctor Who/Discworld

[vitruvian23.livejournal.com]

Title: Silence in L-space
Summary: Doctor Who/Discworld (or at least a nifty idea from Discworld)
Rating: PG (or PG-13 -depends on whether younger kids still hide behind the sofa)
Pairings: none
Disclaimer: I own none of the properties

Spoilery for current series of DW...