Despite sagging ratings and what is almost universally considered a “sophmore slump”, NBC’s Heroes TV show lead in the ratings for 2007 among science-fiction/fantasy themed TV shows. Coming in second was Pushing Daisies, followed by the lackluster Bionic Woman and CBS’ vampire show Moonlight, which after a strong start, has fallen way below average in the ratings.

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The average for “Heroes” remained a ratings point and a half below its second season premiere, which was an 8.1/12 on Week 1 of the season. “Pushing Daisies” had premiered a week later, picking up a higher 8.3/14. However, its average is now two ratings point off from its series high, mostly in part to an uncharacteristic 4.7/8 clocked in the 10th week (that would later rebound in the 11th and 12th weeks, which were not included in this average).

“Bionic Woman” might be in ratings trouble right now, but the first 10 weeks gave it enough viewers to finish third among genre shows with a 5.5/9 average, enough some would say to keep the show on the air.

Chuck, NBC’s surprise hit, averaged a 4.8/7 rating over the first 10 weeks, more than enough to bring the show back for a second season.

Over on the CW, “Smallville” and “Supernatural” averaged a 2.9/5 and 1.9/3 respectively for the first 10 weeks.