Emmy winner Megan Mullally ('Will & Grace') will return to the NBC comedy 'Parks and Recreation,' reprising her role as Ron's (real-life husband Nick Offerman) ex-wife. "I'm doing one next week or the week after," she told the Ausiello Files, though no word on when the episode will air. For more on Mullally's return, check out her interview with TV Squad. [Ausiello Files]

More casting news after the jump.Emmy winner Megan Mullally ('Will & Grace') will return to the NBC comedy 'Parks and Recreation,' reprising her role as Ron's (real-life husband Nick Offerman) ex-wife. "I'm doing one next week or the week after," she told the Ausiello Files, though no word on when the episode will air. For more on Mullally's return, check out her interview with TV Squad. [Ausiello Files]

Legendary singer-actress Bette Midler will appear as a panelist on an upcoming episode of 'The Marriage Ref.' Midler will sit down with former 'Deal or No Deal' host Howie Mandel, with a third guest yet to be revealed. The episode airs May 13 on NBC. [TV Guide]

It looks like Jeremy Sumpter will be graduating from 'Friday Night Lights' a bit earlier than expected. Sumpter, who plays sophomore quarterback J.D. McCoy on the critically acclaimed series, revealed that he will not be returning for season 5, adding, "I have a few movies that I am doing that are on the horizon." 'Friday Night Lights' season 4 kicks off Fri., Apr. 30, 8PM on NBC. [PopStar]

Michael Pena and Ana de la Reguera will join 'Eastbound & Down' when the show heads to Mexico for its much-anticipated second season. According to reports, Kenny (Danny McBride), in an attempt to run from his problems, flees south of the border, where he joins a baseball team owned by Pena's character. De la Reguera, meanwhile, will play Kenny's new love interest. [Deadline]