I'm guessing the idea is to bold the ones that I've seen at some point or another in my life. There were no instructions. ^^;; Bold what you've seen 3 or more episodes of! There we go. I also added a few of my favourites that were missing, and a lot of clarification notes.
The 4400
3-2-1 Contact -- I seem to remember seeing this when I was a kid. Don't know if I saw it 3 times though.
7th Heaven
A Different World
Absolutely Fabulous -- I HATE this show. Seriously.
Adam-12
The Addams Family
Aeon Flux
ALF
Alfred Hitchcock Presents
Alias
All in the Family
All-American Girl
Allo Allo
Ally McBeal
The Amazing Race
America Gothic
American Idol/Pop Idol/Canadian Idol/Australian Idol
America's Next Top Model/Germany's Next Top Model
The Andy Griffith Show -- I'm fairly sure I've watched this at least once
Angel
Angie
Aqua Teen Hunger Force
Are You Afraid of the Dark?
Arrested Development
The A-Team
Avatar: The Last Airbender -- Chad watches this so I've caught snippets of it while walking through the living room
The Avengers (Old Series)
Baa Baa Black Sheep
Babylon 5
Babylon 5: Crusade
Banana Splits Show
Barnaby Jones
Battlestar Galactica (the new one)
Battlestar Galactica (the old one)
Baywatch -- sadly
Beavis & Butthead
The Beverly Hillbillies
Beverly Hills 90210
Bewitched
Big Love
Bionic Woman
Blackadder -- I LOVE this show.
Bonanza
Bones
The Book of Daniel
Bosom Buddies
Boston Legal
Boy Meets World
The Brady Bunch
Buffy the Vampire Slayer -- I had the misfortune of seeing the 1st episode and I was PISSED that one of my favourite movies was ruined
Bug Juice
Captain Planet
Captain Simian and the Space Monkeys
Carnivale
Chappelle's Show -- I honestly didn't know Lil John was a real person..
Charlie's Angels
Charmed
Cheers
Clone High
Coach
Columbo
The Comeback
Commander in Chief
Connections
The Cosby Show -- David loves this. I swear he's seen every episode
Cosmos
Coupling (UK version)
Cowboy Bebop
Crossing Jordan
CSI
CSI: Miami
CSI: NY
Curb Your Enthusiasm
The Daily Show -- I preferred it with Craig Kilborn though. ._. Craiggers!
Dallas
Dancing with the Stars
Danny Phantom
Dark Angel
Dark Shadows 1990
Dark Shadows (original soap opera)
Dark Skies
Davinci's Inquest
Dawson's Creek
Dead Like Me
The Dead Zone
Deadliest Catch
Deadwood
Degrassi: The Next Generation
Designing Women
Desperate Housewives
Dharma & Greg
The Dick Van Dyke Show
Diff'rent Strokes
Doctor Who (new Who)
Doctor Who (original) -- I only liked the ones with Tom Baker
Dr. 90210
Dragnet
Drawn Together
Duck Tales -- I think I saw this once or twice also
Due South
Earth 2
Eerie, Indiana -- OMG! I totally remember this show!
Emergency!
Empty Nest
Entourage
Equalizer
ER
Everwood
Everybody Loves Raymond
Facts of Life
Family Guy
Family Matters
Family Ties
Fantasy Island (New Series)
Fantasy Island (Old Series) -- I think I saw this a few times
Farscape
Fat Actress
Father Knows Best -- My mom used to watch this thus I had to watch it
Fawlty Towers
Felicity
Firefly
The Flintstones
Footballers' Wives
Frasier
Freaks & Geeks
The Fresh Prince of Bel-Air
Friends
Full House -- Hated this too
Futurama
Get Smart
Ghost Hunters
Gilligan's Island -- never enjoyed this
Gilmore Girls
Globe Trekker
Glory Daze
The Golden Girls -- One of David's favourites. XD It's true!
Gomer Pyle, U.S.M.C.
The Great Space Coaster -- This was a favourite when I was tiny
Green Acres
Green Wing
Grey's Anatomy
Growing Pains -- didn't like this
Gundam Wing
Gunsmoke
Happy Days -- never liked this
Harsh Realm
Hart to Hart
Harvey Birdman: Attorney at Law
Head of the Class
Hell's Kitchen
Heroes -- *_____* My new favourite!
The Hogan Family
Hogan's Heroes
Home Improvement
Homicide: Life on the Street
The Honeymooners
House
I Dream of Jeannie
I Love Lucy -- not funny
InuYasha -- I had the misfortune of seeing this dubbed
Invader Zim
Invasion
Iron Chef
Iron Chef America -- I hate this
Jackass
JAG
The Jeffersons
Jericho
The Jetsons
Joey
John Doe
Just the 10 of Us -- This was a favourite when I was in 5th grade?
Justice League/Justice League Unlimited -- I've seen this once
Kate & Allie
Kath and Kim
Keen Eddie
Kim Possible
Knight Rider -- I'm pretty sure I've seen this once or twice
Knot's Landing
The L Word
LA Law
Land of the Lost -- I saw the early 80's version? or was it late 70's..
Laverne and Shirley -- I think I saw this.
Law & Order
Law & Order :CI
Law & Order: SVU
Life As We Know It
Life on Mars (UK)
Little House on the Prairie -- ;~; I love this
Lizzie McGuire
Lois and Clark: The New Adventures of Superman
Lost -- I watched this with my parents once. I didn't get it.
Lost in Space
The Love Boat
Love, American Style
M*A*S*H* -- I've never really liked this
M.A.N.T.I.S
MacGyver
Magnum P.I.
Major Dad -- I think I've seen this. I remember when it was on anyway
Malcolm in the Middle
Mama's Family
Married... With Children -- good in the beginning, pretty stupid later on
The Mary Tyler Moore Show
Medium
Melrose Place -- lame
Miami Vice
The Mighty Boosh
Millenium -- why does this sound familiar?
Misfits of Science
Mission: Impossible
Monk
The Monkees
Moonlighting
Mork & Mindy
Mr. Show with Bob and David
The Munsters
Murder She Wrote -- I think I watched this once because of a guest star
Murphy Brown
MXC
My Family
My Life as a Dog
My Name is Earl -- I didn't think it was funny
My Secret Identity
My So-Called Life
My Three Sons
My Two Dads -- didn't like this either
Mystery Science Theater 3000
The Mythbusters
NCIS
The New Adventures of Wonder Woman
Night Court
Nip/Tuck
Northern Exposure
Nova -- My dad watches this sometimes
Numb3rs
Nurses
The O.C.
The Office (UK)
The Office (US)
One Tree Hill
Out of This World
Oz
Parker Lewis Can't Lose -- I used to love this
The Partridge Family
Perry Mason
Picket Fences
Playmakers
Point Pleasant
Pokemon
Popular
Power Rangers -- I'm a sentai dork, I'll admit it. it's funnier in Japanese though
Pretender
The Prisoner
Prison Break
Profiler
Profit
Project Runway
Psych
Quantum Leap
Queer as Folk (British)
Queer As Folk (US)
The Real World
ReGenesis
Remington Steele
Reno 911
Rescue Me
Road Rules
ROME
Roseanne
Roswell
Saved by the Bell
Scarecrow and Mrs. King
Scooby-Doo, Where Are You?
Scrubs
Seinfeld
Sex and the City
The Shield
Simon & Simon
The Simpsons
Six Feet Under
The Six Million Dollar Man
Slings and Arrows
Smallville
So Weird
So You Think You Can Dance
Soap
The Sopranos
South Park
Space Ghost
Space Ghost: Coast to Coast
Space: 1999
Spaced
Spongebob Squarepants
Sports Night
Square Pegs -- I miss this show!!
Stark Raving Mad
Star Trek: The Original Series
Star Trek: The Next Generation
Star Trek: Deep Space Nine
Star Trek: Voyager -- my favourite of them
Star Trek: Enterprise
Stargate Atlantis
Stargate SG-1
Starsky & Hutch
Step By Step -- hated it
Strange Luck
Strangers with Candy
The Suite Life of Zack and Cody
Superman
Supernatural
Surface
Survivor
SWAT
Taxi -- never really liked this
Teen Titans
That 70's Show -- a favourite!
That's So Raven
Third Watch
Three's Company
Thundercats
The Tomorrow People
Top Gear
Torchwood
Trapper John M.D.
Tru Calling
The Twilight Zone
Twin Peaks
Twitch City
UFO
Ugly Betty
Unscripted
V
Venture Brothers
Veronica Mars
The Waltons
Wasteland
Weeds
Weird Science
The West Wing -- Another one of David's favourites so I've seen bits and pieces
Wizards And Warriors
Whose Line is it Anyway? (UK)
Whose Line is it Anyway? (US)
Who's the Boss? -- hated it
Will and Grace
Wings
The Wonder Years
Wonderfalls
The X-Files
X-Men: Evolution
Xena: Warrior Princess