A miniseries, in a serial storytelling medium, is a production which tells a story in a limited number of episodes (wiki-def)
The top five proposed by Chris Bertram:
1. Heimat
2. Edge of Darkness
3. The Singing Detective
4. Our Friends in the North (catch the re-run on BBC4, Wednesdays)
5. Traffik (original version with Bill Paterson)
I never really got into Heimat, but the other four are among the best things I have ever seen. Amazingly Joanne Whalley is in two of them. Other nominations from me include 'Tutti Frutti' (Robbie Coltrane