While "Nashville" has never been a ratings winner, ABC has kept it alive through four soapy, musical seasons. While its fans have remained steady, that might not be enough to guarantee Season 5.
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"The Mysteries of Laura" has been a puzzler. Ratings have never been spectacular for this NBC crime drama, but star Debra Messing has a loyal audience that's stuck with her through two seasons.
"Dr. Ken" is despised by critics, who have given it some of the worst reviews in recent memory. A small fan base is clustered around this ABC medical sitcom. But will it be enough for a sophomore season?
"The Carmichael Show" is a marginal performer for NBC. But this sitcom about an African-American family has at least held onto a small audience through a season and a half.