TV News Update: 'Heroes' Loses Two Producers

Fallen Heroes on EWNBC's Heroes has lost two of its most influential producers. Jeph Loeb and Jesse Alexander are no longer with the series, according to Ain't It Cool News . Loeb and Alexander have been with the series since the beginning and have both written episodes. They have reportedly been let go due to "creative differences." Heroes has experienced a decline in ratings this season, and was even the subject of an Entertainment Weekly cover story about it's troubled third season.

TV Guide reports that Fox's hit action series 24 's seventh season will start with a two night, four hour event on Sunday, Jan. 11 and Monday, Jan. 12. Monday's second hour will be the show's 150th episode. But that's not the beginning. A two hour movie will bridge the gap between seasons 6 and 7 on Fox on Nov. 23. "Day 7" reportedly begins with Jack Bauer on trial for his "world-saving tactics."

CBS News reports that a recent behavioral science research study indicated pregnancy rates are higher among teens who watch TV with sexual dialogue and situations. The study, released today in November's issue of Pediatrics,  used shows such as Sex and the City, That 70s Show, and Friends. Pregnancies are reportedly twice as common among teens that said they watched such shows, compared with teens who said they didn't watch, according to the study.

E! reports that Jenny McCarthy and Andy Richter will guest-star on NBC's Chuck this season in a February episode called "Chuck Vs. the Suburbs." The episode wil be the 14th of Chuck's 2nd season.