For sitcoms starting with a or the, I am using the 2nd word since that is how it would appear in the Complete Prime Time Directory and other indexes.

A
1. The Andy Griffith Show
2. The Addams Family (1964)
3. Angie
4. ALF (1986)
5. According to Jim
6. Are You Being Served?
7. Alex, Inc.

B
1. Benson
2. Barney Miller
3. Boy Meets World
4. Bewitched (1964)
5. Bachelor Father
6. Blossom
7. Back to You
8. The Brady Brides
9. The Beverly Hillbillies
10. Burns and Allen
11. The Brady Bunch

C
1. Coach
2. Corner Gas
3. C.P.O. Sharkey
4. The Courtship of Eddie's Father
5. Cheers
6. Complete Savages
7. Caroline in the City

D
1. DAG (2000)
2. Diff'rent Strokes
3. The Dick Van Dyke Show

E
1. Everybody Loves Raymond
2. 8 Simple Rules for Dating my Teenage Daughter

F
1. Fawlty Towers
2. Frasier
3. Family Affair (1966)
4. Family Ties
5. The Facts of Life
6. Family Matters

G
1. Gomer Pyle, U.S.M.C.
2. Growing Pains
3. George Lopez
4. Gilligan's Island
5. Green Acres
6. Galavant
7. Growing Up Fisher

H
1. Head of the Class
2. Home Improvement
3. Hope and Faith
4. Happy Days
5. Hazel

I
1. I Love Lucy
2. I Dream of Jeannie

J
1. The Jack Benny Program
2. The Jeff Foxworthy Show

K
nothing

L
1. The Lucy-Desi Comedy Hour
2. Leave it to Beaver
3. Life with Bonnie
4. Laverne and Shirley
5. The Lucy Show
6. Less than Perfect
7. Life in Pieces

M
1. Mr. Belvedere
2. Mad About You
3. The Middle
4. Murphy Brown
5. My Two Dads
6. M*A*S*H
7. The Mary Tyler Moore Show
8. The Munsters
9. Mork and Mindy

N
1. Newhart
2. Night Court
3. The Nanny

O
1. Ozzie and Harriet

P
1. Petticoat Junction
2. The Patty Duke Show
3. The Partridge Family

Q
nothing

R
1. Reba
2. Ruby and the Rockits

S
1. Some Mothers Do 'Ave 'Em
2. Seinfeld
3. Sabrina, the Teenage Witch (1996)
4. Speechless
5. Silver Spoons

T
1. Too Close for Comfort

U
nothing

V
nothing

W
1. WKRP in Cincinnati
2. The Wonder Years
3. Wings (1990)
4. Welcome Back, Kotter
5. What a Country!
6. Who's the Boss?
7. Welcome to New York

X
nothing

Y
1. Yes, Minister/Yes, Prime Minister

Z
nothing

A:
All in The Family
ALF(original 1986 version)
The Andy Griffith Show
Absolutely Fabulous
Alice

B:
The Bob Newhart Show
Benson
Bewitched(original 1964 version)
Barney Miller

C:
Cheers
Cybill

D:
Diff'rent Strokes
A Different World
The Doris Day Show

E:
Empty Nest

F:
The Facts of Life
Family Ties
The Fresh Prince of Bel Air
Friends
Frasier

G:
The Ghost & Mrs. Muir
Gilligan's Island
Good Times
The Golden Girls

H:
Happy Days
Hazel
Head of the Class
Home Improvement

I:
I Dream of Jeannie
It's A Living

J:
The Jeffersons

K:
Kate & Allie
Kenan & Kel

L:
Laverne & Shirley
Leave It To Beaver
The Love Boat
Love American Style
Living Single

M:
M*A*S*H
Mork & Mindy
The Mothers In Law
My Three Sons
Maude
The Mary Tyler Moore Show

N:
Newhart

O:
One Day at the Time(Original 1975 version)
The Odd Couple(Original 1970 version)

P:
Petticoat Junction
The Partridge Family

R:
Rhoda
Room 222

S:
Sanford & Son
The Simpsons
Seinfeld
Saved by the Bell
Saved by the Bell: The College Years

T:
Three's Company
Taxi

W:
Who's The Boss
WKRP in Cincinnati
Welcome Back Kotter

N

Night Court

B

The Brady Bunch

H

Home Improvement

T

The Monkees

S

Saved By The Bell

ALF
Alice
All in the Family
The Addams Family
The Andy Griffith Show
Archie Bunker's Place
Amen

The Bob Bewhart Show
The Brady Bunch
Benson
The Beverly Hillbillies
Bewitched
Brotherly Love
Blossom

Cheers

Designing Women
Dinosaurs
The Drew Carey Show

Ellen
Empty Nest

Family Matters
Family Ties
Full House
Flo
The Flintstones

The Golden Girls
The Golden Palace
Gilligan's Island
Gimme a Break!
Gomer Pyle, U.S.M.C.
Good Times
Grace Under Fire
Green Acres

Hangin' with Mr. Cooper
Happy Days
Hazel
Home Improvement
The Honeymooners

I Love Lucy
I Dream of Jeannie
It's a Living

The Jeffersons
The Jetsons

Kate & Allie

Laverne & Shirley
Leave It to Beaver
The Lucy Show

Mary Hartman, Mary Hartman
Maude
Mister Ed
The Munsters
Mama's Family
Mayberry RFD
Mr. Belvedere
Murphy Brown
My Two Dads
Major Dad

Newhart
The Nanny

The Odd Couple
One Day at a Time

Perfect Strangers
Petticoat Junction

Reba
The Real McCoys
Roseanne
The Ropers

Sabrina, the Teenage Witch
Sanford and Son
Sister, Sister
Soap
Saved by the Bell
Step by Step
Small Wonder
Silver Spoons

227
Three's Company
That Girl
The Torkelsons
Too Close for Comfort
Three's a Crowd

What's Happening!!
Who's the Boss?
The Wonder Years
Wings

C

Cheers

D

The Drew Carey Show