What was the longest-running sitcom on TV?

“The Adventures of Ozzie and Harriet,” which ran for fourteen seasons (1952-66) on ABC, was the longest-running sitcom on TV.

What is the longest-running national television series? NBC's "Meet the Press" has been running since November 20,…
What was the longest-running prime-time TV game show? "What's My Line?" was the longest-running prime-time TV game show.…
What is the longest-running daytime TV drama? "Search for Tomorrow" (CBS, 1951-1982; NBC 1982-1987) was the longest-running…
What is the longest-running performance in daytime TV drama history? Mary Stuart as Joanne Barron and Larry Haines as Stu…
What was Broadway's all-time longest-running show? Broadway's all-time longest-running show was A Chorus Line. It ran…
What is the longest-running play in theater history? The longest-running play in theater history is The Mousetrap (1952)…