The best known of several trademarks for the program is a changing variety of drawn, or sculpted, or animated, or crocheted, or other representations of smiling suns.
As of 2013, there have only been two permanent hosts for the show, both named Charles, firstly Charles Kuralt (January 28, 1979 - April 3, 1994), and secondly Charles Osgood (April 10, 1994 - present/2013).
Since 1994, the sign off for the program has been Charles Osgood's signature, "Please join us again next Sunday morning, until then, I'll see you on the radio".
One of several trademarks for the program is the Sunday Morning "Moment of Nature," which is a one to two minute video of a natural setting, and often featuring live animals native to that setting, usually from one of the US National Parks. The segment is the close out for each program.
Vladimir Horowitz's highly acclaimed 1986 Moscow recital, now known as "Horowitz in Moscow", was first televised live, on 23 April 1986, as an episode of this long-running series. It won such acclaim that it was repeated two months later.