My all-time favourite childrens programme, a view I know is shared with a lot people my age, following numerous pub discussions.
Coming from the Cosgrove/Hall stable (Jamie and the Magic Torch, Chorlton & the Wheelies and later Count Duckula), Dangermouse was probably the funniest thing I had ever seen. Some of the comments the narrator made were simply hilarious, not to mention poor on Penfold, voiced by the late Terry Scott. Not to be forgotten was Brian Trueman, who seems to have been involved with a lot of programmes I remember.
As others here have also mentioned, the humour was cleverly written on various levels, so it appealed to adults and children alike.
It may now be time to buy the DVDs
In my opinion, the best cartoon ever.