FOX renews 'American Dad,' TNT's 'Rizzoli' gets a partner

americandad_290.jpgStan Smith will go on fighting for America for at least one more year.

FOX has renewed "American Dad" for a sixth season, which means that all three shows in Seth MacFarlane's animated empire are good to go through the 2010-11.

The show is averaging about 7.1 million viewers a week this season, which puts it in the middle of the pack in the Nielsen ratings. It's a top 30 show in adults 18-49, however, and FOX notes that it ranks among the top 10 in teenagers, adults 18-34 and key male demos.

MacFarlane's newest series, "The Cleveland Show," earned a full second-season pickup earlier this month. "Family Guy" is set through the 2011-12 season.

- TNT has added to the cast of its pilot "Rizzoli," with former "NCIS" star Sasha Alexander leading the newcomers.

Alexander, whose recent credits include "Love Happens" and "Yes Man," will star as Boston medical examiner Maura Isles, according to The Hollywood Reporter. The pilot is based on a series of novels by Tess Gerritsen in which Boston homicide detective Jane Rizzoli (Angie Harmon) works with Isles to solve cases.

Bruce McGill ("Law Abiding Citizen," "Animal House"), Lee Thompson Young ("FlashForward") and Jordan Bridges ("Conviction") have also joined the cast. McGill will play a veteran detective who used to partner with Rizzoli. Young will play her new partner and Bridges her younger brother, who's a beat cop.

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'The Cleveland Show' gets a full second season
Angie Harmon is TNT's 'Rizzoli'