I don't actually have TV or cable but I've watched all these on DVDs or online(I'm especially fond of British TV).

• Foyle's War
• House of Cards
• Inspector Morse
• Sherlock Holmes (with Jeremy Brett as Holmes)
• Hercule Poirot (with David Suchet as Poirot)
• Jeeves and Wooster (Hugh Laurie & Stephen Fry)
• House M.D.
• Bones
• The Wire
• The Closer
• The Pretender
• Burn Notice
• Murder, She Wrote (love Jessica Fletcher!)