Digital spy has pretty much the play-by-play for next week's SJA eps with DT. MAJOR SPOILERS, obviously. There's also two new promo pics, with casting spoilers, of course.

Link here: http://www.digitalspy.com/tv/s47/sarahjaneadventures/tubetalk/a183048/notes-on-david-tennants-sarah-jane-stint.html

And just a note on #10 - I'm pretty sure I know what those last words are.

I'm sure there'll be spoilers a plenty in any comments for this entry, so click with caution.

The BBC Press office has released the synopsis and casting details for the DT eps of SJA, and oh, are they spoilery!

Linkie here if you want to take a look (Warning for MASSIVE SPOILERS for the SJA eps within!): http://tinyurl.com/ybogopb
And here, at the Press Office homepage: http://www.bbc.co.uk/pressoffice/proginfo/tv/2009/wk43/fri.shtml

There's still no word on a Waters of Mars airdate, but we should know next week if it will be airing on Halloween, at least.