The comedy show Rowan & Martin's Laugh-In, starring Dan Rowan and Dick Martin (above), debuted on NBC on January 22, 1968.

In 1968, When Nixon Said 'Sock It To Me' on 'Laugh-In,' TV Was Never Quite the Same Again

The show's rollicking one-liners and bawdy routines paved the way for "Saturday Night Live" and other cutting-edge television satire

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