One takes out 20% of England's population, if it's London.
https://www.youtube.com/watch?v=9GJttnC8PoA
In best British tradition it does even manage a bit of exceedingly dark humour.
(For those who haven't seen it, it is grim, but gripping.)
He also made Connections [2] with James Burke, which is a fantastic documentary series about the history of science.
(His later, very commercial Hollywood work is less interesting, though Steve Martin's L.A. Story is great.)