Name some sitcom couples that didn't have children

[GARFIELDKOOL]

Ralph and Alice Kramden

Stanley and Helen Roper

[PrettyinPink55]

Fred and Ethel Mertz

[snl 70s show fan]

bob and emily hartley

[Katya]

Ed and Trixie Norton

[treky]

Bob and Emily Hartley. They were going to have a show where Emily became pregnant, but when they showed Bob the script, he said "Fine. But who are you going to get to play my role"?

Dick Louden and his wife on "Newhart". I forget her name.

Ralph and Alice Kramden, because Jackie Gleason felt it would be funnier without them.

[Mrgman]

Doug and Carrie heffernan

[tv star collector]

Wilbur and Carol Post (on "Mister Ed")
Brad and Joan Stephens ("I Married Joan")
Luke and Kate McCoy ("The Real McCoys")

[SERGEANT PRESTON]

George and Marion Kirby on "Topper"
Cosmo and Henrieta on "Topper"

[Mister Ed]

Oliver and Lisa Douglas from "Green Acres"

[Quincy Point]

Dharma and Greg Montgomery

Abner and Alice Kravitz

Pickles and Buddy Sorrell

[dawsongirl]

Joe and Helen Hackett

[Ireneparalegal]

Carol and Mike Brady...they didn't have children together...they adopted each other's children.

[71dude]

Robert and Amy Barone - Everybody Loves Raymond
Denise and Martin Kendall - The Cosby Show (stepdaughter)
Latka and Simka Gravas - Taxi
Norm and Vera Peterson - Cheers

[Kristen]

Joe Hackett/Helen Chappel - Even though they were only married the last two seasons, they still count, hehe.