Now's the time when viewers start wondering if their favorite network shows are going to get renewed. Turns out The Hollywood Reporter isn't just wondering, they're laying odds.

And the trade paper's numbers can be surprising. Less than 50-50 for 24? More than 50-50 for Heroes? How about newbies like Human Target? And long-runs like Smallville and Supernatural [photo above]?

THR's Live Feed blogger James Hibberd lays out the reasons why or why not each show is likely to survive into fall. They're even color-coded at his TV Series Survival Chart, broken out into categories like Safe, OK and Endangered. See if your faves rate salmon or aquamarine.