Typically, making a debut from May to August means that the network doesn't have much faith in your success. These programs defied the odds and stuck around long after their first summer.
The Ed Sullivan Show (premiered June 20, 1948)
WTF is that?
Via: edsullivan.biz
I Love Lucy (June 15, 1951)
Via: 1.bp.blogspot.com
Guiding Light (June 30, 1952)
Via: 1.bp.blogspot.com
The Lawrence Welk Show (July 2, 1955)
Via: musictimes.com.au