It is possible that you are thinking of one of these shows:
* "Saturday Night Live" (1975-present): Chevy Chase was a cast member on SNL from 1975 to 1976, contributing to its early popularity.
* "The Chevy Chase Show" (1981-1982): This was a short-lived variety show hosted by Chevy Chase, which aired in 1981 and 1982.
If you can provide more details about the show you're looking for, I can try to help further.