Are these guest stars from the first season or the last season of The Carol Burnett Show?

Carol Burnett became a comedy icon not just for her hilarious characters but because she kept America laughing for eleven years! The Carol Burnett Show premiered in 1967 and continued until 1978, all the while poking fun at everything from hippies to old folks and Golden Age Hollywood films to soap operas.

Can you tell the difference between the first season and the last season of The Carol Burnett Show? Try to guess when these guest stars were on. Be careful, some were on both seasons!