Name a TV show that you have seen every single episode of?

There are so many:

Friends
Full House
Pretty Little Liars
NCIS
Buffy the vampire slayer
Smallville
Veronica Mars
The OC
CSI Miami
CSI New York
Fawlty Towers
Life with Derek
Goosebumps
Are you afraid of the dark?
Home Improvement

Spongebob
Jessie
Sam and Cat
American dragon Jake Long
Gravity Falls

Skins, Freaks & Geeks, American Horror Story, Merlin, Psych, Arrested Development, modern Doctor Who, House, Lie to Me

All TV Shows i watch/watched... i saw every episode!

Frasier and manyyy other shows

Too many to list. But I have not only seen every episode of Buffy The Vampire Slayer, I've seen every episode multiple times. I still watch them.

Babylon 5
Battlestar Galactica
Buffy The Vampire Slayer
Count Duckula
Friends
Major Crimes
Mr. Bean
Rizzoli & Isles
Star Trek Deep Space Nine
The Chicago Code
The Cosby Show
The Golden Girls
The L Word

...maybe more...

These are a lot!!!!
FRIENDS (I have watched the entire show 4 times)
Grey's Anatomy (Most of the episodes more than once)
The Big Bang Theory (x2)
How I met your mother (only once but I plan on rewatching the whole series when it's ended)
Glee (Seasons 1-2 twice)
One Tree Hill (some episodes more than once)
Pretty Little Liars
New Girl
Sex and the City (most of the episodes 2 or 3+ times)
The Nanny (3 times the whole series)
Baywatch (Can't remember if I've watched ALL the episodes but I was watching it for 5 summers (2 seasons a summer approximately)
Skins generations 1 & 2 (I'll watch 3 ASAP)

Angel
Buffy The Vampire Slayer
Castle
Charmed
Friends
Gilmore Girls
H2O:Just Add Water
Heroes
House
NCIS
Once Upon A Time
Smash
True Blood
Veronica Mars
Will & Grace

As of right now I've seen every episode of Buffy The Vampire Slayer and Pretty Little Liars..and Wizards of Waverly Place..I think.

Everybody Loves Raymond and Full House

Friends
Avatar: The Last Airbender
That's So Raven
Hannah Montana
Good Luck Charlie
Boy Meets World

(only included shows that have already ended, not shows that are currently still going)