Lady Gaga is going to make little monsters out of 'The Simpsons.' The pop sensation will be stopping by Springfield in 'Lisa Goes Gaga,' EW reports.

After learning the fictional city is filled with low self-esteem, Gaga tries to cheer up Lisa with a song and a flash mob. In addition to some Lisa interaction, Gaga will have a variety of wardrobe changes and share a smooch with none other than Marge Simpson.

"I would say this is one of the coolest things I've ever done," Gaga told EW about her guest spot. "My dad's probably going to do 80 backflips when the episode comes out."

The episode is set to air in the spring of 2012.

In other casting news ...

Isaiah Mustafa is bringing his manliness to 'Charlie's Angels.' The Old Spicy icon will recur as Det. Ray Goodson, the ex-fiance of Kate (Annie Ilonzeh). [TVLine]

Andre Braugher is in talks to romance Det. Benson on 'Law & Order: SVU.' The 'Men of a Certain Age' veteran is nearing a deal to play a lawyer to the underprivileged who gets close to Benson. [Deadline]

Ross Mathews has got himself a talk show. The show is being developed at E! with Chelsea Handler's Borderline Amazing Productions. [THR]

Jay Mohr is stopping by 'Prime Suspect.' The 'Gary Unmarried' veteran will play ADA John Bullock, a man who is considered good at his job, but he and Maria Bello's Det. Jane Timoney don't see eye-to-eye. The role could turn recurring. [EW]

'Mad TV' veteran Arden Myrin is developing a new project with MTV. Myrin would star and write the project with 'Wonder Years' actor Fred Savage directing. [THR]

'The Killing' actress Kristin Lehman will cause trouble on 'Castle.' Lehman will play an art insurance investigator, a potentially recurring love interest for Nathan Fillion's titular character. [TVLine]

'Hawaii Five-0' is staging a 'Heroes' reunion. Greg Grunberg will reunite with his 'Heroes' co-star Masi Oka on 'Five-0' when he guest stars as an Immigration and Customs Enforcement agent. [TVLine]

Eric Stonestreet will star in 'The Day the Laughter Stopped.' The 'Modern Family' star will play Fatty Arbuckle, the famed silent film star, in the HBO movie. [THR]

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