Here's The List:

#100 - "Family Guy" (1999-2002)
Has been said to have been 'one funniest animated sitcoms'.

#99 - "My Favorite Martian" (1963-1966)
A "fantasy" sitcom classic.

#98 - "Petticoat Junction" (1963-1970)
A Paul Henning Favorite.

#97 - What's Happening!! (1976-1979/1985-1988)
Another Norman Lear Sitcom.

#96 - "California Dreams" (1992-1997)
Another teen sitcom.

#95 - "Rhoda" (1974-1978)
The most successful spin-off of the it's parent show.

#94 - "Here's Lucy" (1968-1974)
Stars America's First Lady of American Television, Lucille Ball. Was CBS's #1 show during the 1970-1971 season.

#93 - "The Many Loves of Dobie Gillis" (1959-1963)
The cast included the pre-'Gilligan' Bob Denver.

#92 - "WKRP In Cincinnatti" (1978-1982)
A classic in it's own right.

#91 - "Wings" (1990-1997)
Another successful 90's sitcom

#90 - "Coach" (1989-1997) - Dauber!  What a geek!
Another successful 90's sitcom.

#89 - "The King of the Hill" (1996-Present)
An original.

#88 - "The King of Queens" (1998-Present) One of my current favorites
TV's most current successful spin-off.

#87 - "Newhart" (1982-1990)
Bob Newhart's most successful sitcom.

#86 - "The Nanny" (1993-1999) - Mr. Shefhield, YUMMY!
Has proven to be one of Lifetime's most successful shows.

#85 - "Who's the Boss? (1984-1992)  - Mona was such a slut!
Not one of your traditional gender shows.

#84 - "Hangin' with Mr. Cooper" (1992-1997)
The black version of "Three's Company".

#83 - "Good Times" (1974-1979)
Another highly successful Norman Lear sitcom.

#82 - "Charles in Charge" (1984-1985/1987-1990) - He was so freakin HOT!!!!
Stars Scott Biao, one of American's teen heart-throbbers.

#81 - "Dinosaurs" (1991-1994)
A pop culture classic. "Who's the mama?"

#80 - "ALF" (1986-1990) - I think Alf paved the way for Roger the alien on American Dad.
ALF is one of great popular icons.

#79 - "Welcome Back, Kotter" (1975-1979)
This show had one successful theme song.

#78- "Saved By The Bell: The New Class" (1993-2000) - but did you see the movies?  LOL
Another classic teen sitcom.

#77 - "Futurama" (1999-2003)
Arguably, Matt Groening's most creative series.

#76 - "Boy Meets World" (1993-2000)
One of TGIF's most successful sitcoms.

#75 - "Sabrina, the Teenage Witch" (1996-2003)  --omg, that was Friday night tv!!!!
The most recent "Fantasy" sitcom.

#74 - "That Girl" (1966-1971)
This is the series that set the tone for future "independent" women sitcoms.

#73 - "Mister Ed" (1961-1966) - Poor Horse
This show is the very first "fantasy" sitcom to be created. The show paved the way for future successful fantasy sitcoms such Bewitched, I Dream of Jeannie, and many others.

#72 - "The Donna Reed Show" (1958-1966)
A show that inspired other situation comedy familes.

#71 - "Mork and Mindy" (1978-1982)
The Best "Alien" sitcom ever. This show features the talented comedian, Robin Williams.

#70 - "Make Room For Danny" / "The Danny Thomas Show" (1953-1964)
One of television's first shows to feature a family.

#69 - "The Lucy Show" (1962-1968)
Another classic sitcom featuring America's favorite funny lady, Lucille Ball. This is probably the very first American sitcom to feature a woman working outside of the home.

#68 - "Get Smart" (1965-1970)
Highly entertaining show.

#67 - "Maude" (1972-1978) -What a sassy (ballsy) lady she was!
Behind All In The Family, this was the most controversial sitcom of the 1970's era.

#66 - "The Partridge Family" (1970-1974)
American's most music-loving family in a situation comedy.

#65 - "Taxi" (1978-1982)
Another sitcom considered to be well-written.

#64 - "Perfect Strangers" (1986-1992) my mom's fav show for a long time.  She LOVED Balki.
Another buddy sitcom.

#63 - "Family Affair" (1966-1971)
Another cute show from the 1960's.

#62 - "Gomer Pyle, U.S.M.C." (1964-1969)
One of television's first successful spin-offs. The first military sitcom to score high in the ratings.

#61 - "Family Matters" (1989-1998) - "Did I do thatttttt?"
One of television's longest-running spin-offs.

#60 - "Mama's Family" (1983-1985,1986-1990) - I used to wish bad things on Naomi.
America's then-only spin-off series from a variety show.

#59 - "Family Ties" (1982-1989)
Ronald Reagan's then favorite show.

#58 - "The Bob Newhart Show" (1972-1978)
Considered to be one of Television's well-written shows.

#57 - "Diff'rent Strokes" (1978-1986)
This tv series had perhaps one of TV's most-popular catchphrases of all time.

#56 - "Malcolm In the Middle" (2001-Present)
Saluted as a future classic by TV Land.

#55 - "South Park"
Another groundbreaking sitcom.

#54 - "The Monkees" (1966-1968)
A one of a kind show.

#53 - "Dennis the Menace" (1959-1963)
TV's most adorable sitcom ever created. A very cute show.

#52 - "Growing Pains" (1985-1992)
A family classic from the start. A show not to be missed.

#51 - "Step By Step" (1991-1998)
Another show based on a concept of an older show; "The Brady Bunch" of the 1990's!

#50 - "Soap" (1977-1981)
Another groundbreaking sitcom of the late 1970's.

#49 - "The Adventures of Ozzie & Harriet" (1952-1966)
America's longest-running family sitcom.

#48 - "Murphy Brown" (1988-1998) - Boy did she raise a stink!
What can I say? It's the MTM of 1990's!

#47 - "The Facts of Life" (1979-1988)
At one point in time, this cleverly written sitcom was Nick-at-Nite's #1 Highest-Rated show.

#46 - "Green Acres" (1965-1971) - Go ahead, try not to sing that theme song!
Paul Henning's absolute best sitcom ever created. This show had some of most wildest TV characters ever created.

#45 - "I Dream of Jeannie" (1965-1970)
A pure classic. Catchy theme song.

#44 - "Beavis and Butthead" (1990's)
Gave the word 'cartoon' a new meaning. MTV's most popular sitcom during the 1990's.

#43 - "Married With . . . Children" (1987-1997) - I think Al made Payless popular.
Fox's first successful sitcom.

#42 - "8 Simple Rules" (2002-Present)
A great family show of the 2000's decade.

#41- "Everybody Loves Raymond" (1996-Present)
One of TV's most humorous shows.

#40 - "Laverne & Shirley" (1976-1983)
Garry Marshall's absolute best sitcom ever created. One of the first "buddy" sitcoms.

#39 - "My Three Sons" (1960-1972)
One of America's most longest-running sitcoms in the history of television.

#38 - "Saved By The Bell" (1990-1993)
One of the first sitcoms geared solely towards the teen audience. Great theme song.

#37 - "Frasier" (1993-2004)
Another well-written, highly-praised show.

#36 - "Home Improvement" (1991-1999)
A great family classic of the 1990's.

#35 - "Ren & Stimpy" (1991-1993)
The classic sitcom that took the word 'cartoon' to a different level. One of America's most popular culture shows.

#34 - "The Fresh Prince of Bel-Air" (1990-1996)
Starred one of American's most recognized personalities: Will Smith. 'Nuff Said.

#33 - "Chico and the Man" (1974-1978)
This show was perhaps American's first "Latino" sitcom. Nevertheless, it's truly a television innovator for classics after its time.

#32 - "The Jeffersons" (1975-1985) - the bigot of the 70's.  Him and Archie Bunker.
Norman Lear's absolute best sitcom ever created.

#31 - "The Odd Couple" (1970-1975)
Another great classic that's well-remembered.

#30 - "Roseanne" (1988-1998)
Another groundbreaking show of the 1990's.

#29 - "Leave It To Beaver" (1957-1963)
A very tradition family-oriented show. This show showcased, perhaps, America's "Perfect" Family.

#28 - "M*A*S*H (1972-1983)
One of the most influential sitcoms in all of TV history.

#27 - "The Love Boat" (1977-1986)
One of American's most popular sitcoms throughout TV history.

#26 - "Cheers" (1982-1993)
A great classic. The show the practically changed overnight: from a bomb to a run away hit.

#25 - "The Beverly Hillbillies" (1962-1971) - I wonder how much Geico paid to use their likeness in a commercial. 
The most recognized "rural" sitcom. Very well-remembered.

#24 -"The Addams Family" (1964-1966) - Snap! Snap!
The most oddest by spookiest family ever. Very clever show for it's time.

#23 - "Full House" (1987-1995)  - Uncle Jessie, Uncle Jessie!
A very heartwarming show that's often touching.

#22 - "The Golden Girls" (1985-1992)
An original.

#21 - "Sienfeld" (1990-1997)
A well-written TV show. Possibly, considered the best sitcom of 1990's.

#20 - "The Cosby Show" (1984-1992)
The show that's responsible for "reviving" the situation comedy.

#19 - "The Honeymooners" (1955)
A pure classic of the 1950's.

#18 - "Friends" (1994-2004)
The most caring group of friends ever seen in television history. A classic in it's own right.

#17 - "The Wonder Years" (1988-1993)
A very unique show. Almost anyone can relate to this classic.

#16 - "The Dick Van Dyke Show" (1961-1966)
A very smart comedy for it's time.

#15 - "The Flintstones" (1960-1966)
The first prime-time animated series. Set a high standard.

#14 - "The Munsters" (1964-1966)
The most loving family ever seen in television.

#13 - "Sanford and Son" (1972-1977)
If you ask me, this IS the first african-american sitcom. It set a very high standard for those black shows that followed.

#12 - "Will and Grace" (1998-Present)
The most recent groundbreaking sitcom. A show that had one of sitcom's firsts: a show based around a gay character.

#11 - "Bewitched" (1964-1972)
The Best special effects show of the 1960's. The longest-running fantasy sitcom.

#10 - "Three's Company" (1977-1984) -Come and knock on our door...we've been waiting for you!!!
Yet, another groundbreaker of the 1970's. Very funny show starring the late talented John Ritter.

#9 - "Gilligan's Island" (1964-1967)
The most overplayed TV sitcom is television history. Possibly the most recognized.
Possibly, the world's most favorite sitcom.

#8 - "Mary Tyler Moore" (1970-1977)
Another groundbreaker of the 1970's.

#7 - "Ellen" (1994-1998)
The ultimate groundbreaker of the 1990's.

#6 - "The Simpsons" (1989-Present)
The longest-running animated sitcom. A very smart show.

#5 - "Happy Days" (1974-1984)
The highlight of the 1970's in television history. Truly a gem.

#4 - "The Andy Griffith Show" (1960-1968)
A show with very high morals. Anyone could learn a lesson or two from this highly-rated sitcom. Perhaps, America's most beloved sitcom.

#3 - "The Brady Bunch" (1969-1974)
The number one cult classic. 'Nuff said.

#2 - "All In The Family" (1971-1979)
The most groundbreaking sitcom ever. The show that changed television.

#1 - "I Love Lucy" (1951 - 1957)
The mother of all sitcoms, starred the Queen of Comedy, gave birth to the rerun, Need I say more?