Over to Fourstar who said "I was interested in the use of disused Tube tunnels in the final episode of 'Spooks' this Monday.
The team has to run from Liverpool Street to London Bridge but cannot go above ground as they are being hunted by Russian snipers, so they break into a side door at Liverpool Street and find a (conveniently) disused platform which leads to the tracks. From there they find a maintenance tunnel which brings them eventually to London Bridge where they open a locker to get the file they need (are there still lockers at London Bridge?)
"Artistic licence aside, it was good to see - they even ran through a parked train at one point, disturbing a sleeping homeless lady."
Nick thought it was "unintentionally hilarious" and Fourstar wondered "if the journey would actually be possible (via Bank, presumably??)"
I've no idea, but like Fourstar I liked seeing the real London Underground being used rather than just a mock up. If you're in the UK you can watch the full episode of Spooks on BBC iPlayer here.