Ended TV-series which I've seen every episode of.

TV-series I'm 100% sure that I've seen every single episode of:

• Buffy: The Vampire Slayer
• Dawson's Creek
• Dead Like Me
• Firefly
• Friends
• Gilmore Girls
• Invasion
• Kyle XY
• Moonlight
• Queer as Folk (US)
• Sex and the City
• The O.C.
• United States of Tara
• Will & Grace

TV-series I watched in my teens, that I've seen all seasons plenty of times, but I cannot be 100% sure that I didn't miss one or two episodes:

• Beverly Hills 90210
• Clueless
• Dharma & Greg
• Family Matters
• Full House
• Sister, Sister
• Sabrina, the Teenage Witch
• Step By Step
• The Fresh Prince of Bel Air
• The Nanny
• Two Guys and a Girl
• Two of a Kind
• USA High

Mini series:

• 5ive Days to Midnight
• Angels in America
• Band of Brothers
• Crusoe
• Dr. Horrible's Sing-Along-Blog
• Police Squad!
• Stephen King's The Shinging
• Stephen King's The Stand
• Taken
• The Chronicles of Narnia
• The Corner
• The Hitch Hikers Guide to the Galaxy
• The Julekalender
• The Triangle