Cancellation is looming for the longest-running soap opera in American history.

Guiding Light, which went on the air on radio in 1937 and debuted on television in 1952, is in danger of being taken off the air, TV Squad reported on Monday.

Despite a recent revamping of the show this season, Guiding Light has failed to boost ratings and currently attracts about 2.17 million viewers daily for the season, down 18 percent from last year.

CBS is expected to announce a decision on the show later this week so that writers will be able to tie up storylines by September, when the network’s deal with the Procter & Gamble-produced soap opera ends.

(If my Grandma hadn’t already drifted off to the big sofa for soap fans in the sky, this news would be enough to give her a heart attack! She loved Guiding Light….)