on the bubble
adj.— «The moment of truth is fast approaching for TV shows “on the bubble”—industry parlance for series facing cancellation because of wobbly ratings.» —“DVD sales give new hope to TV shows facing the axe” by Brooks Barnes Post-Gazette (Pittsburg, Pa.) Feb. 23, 2005. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
We use the term Milky Way for that glowing arc across the sky. But how people picture it varies from culture to culture. In Sweden, that starry band goes by a name that means “Winter Street,” and in Hawaii, a term for the Milky Way...