Alanis Morissette is staying 'Up All Night.'

According to TVLine, Morissette will play a former member of Ava's (Maya Rudolph) music group, Sound LLC. Talk show host Ava's musical past was previously touched upon when Lonely Island's Jorma Taccone guest starred as her ex-boyfriend.

Morissette has previously done guest spots on 'Sex and the City,' 'Weeds,' 'Curb Your Enthusiasm' and 'American Dreams.' Her episode is set to air in early 2012.

In other casting news ...

Did you know Diane Neal appeared on 'Law & Order: SVU' as a different character before taking on the role of ADA Casey Novak?

Back in 2001 she infamously played a lady rapist on the series. One of the fellow perps was played by Paige Turco, her real-life friend. Their characters weren't very nice to a male stripper and things didn't turn out that well for Turco's character.

The 'Blood Brothers' episode of 'SVU' (Wed., Oct. 5, 10PM on NBC) is a reunion for Neal and Turco. However, in 'Blood Brothers' it's a whole new kind of trouble for Turco. She plays the wife of a man involved in an Arnold Schwarzenegger-esque scandal.

Find out what Neal had to say about the reunion in AOL TV's exclusive behind the scenes video!

Stephanie March and Diane Neal are returning to 'Law & Order: SVU' this fall.

The duo are just in time to help viewers get used to new detectives played by Danny Pino ('Cold Case') and Kelli Giddish (NBC's short-lived 'Chase').

Executive producer and new showrunner Warren Leight confirmed the casting news.

No word on how many episodes will feature the two ADAs.

Jaime Pressly is set to guest star on 'Raising Hope' later this season, but the actress could return to TV full-time if her new pilot gets picked up.

According to Deadline, the former 'My Name Is Earl' star has landed the lead alongside Katie Finneran in the Fox comedy pilot 'I Hate My Teenage Daughter.' The show focuses on two women who come to realize their daughters have grown to become the same type of mean girls who tortured them in high school.

In other TV news ...

• 'Hung' is adding new blood in the form of two recurring characters for next season. Leven Rambin, who's currently guesting on 'One Tree Hill,' will play a love interest for Ray, while Stephen Amell will play a rival gigolo. [TV Line]

• A slew of actors have signed on to broadcast pilots, including Ellen Woglom and Ravi Patel as the leads in the ABC comedy 'My Freakin' Family.' Also nabbing pilot roles are Janet McTeer in 'Weekends at Bellevue,' Zoe Lister in NBC's Whitney Cummings comedy, Wes Ramsey in 'Playboy' and Lana Parrilla in 'Once Upon a Time.' [Deadline]

• A familiar face is returning to 'Law & Order: SVU.' Diane Neal will reprise her role as ADA Casey Novak for one episode in the spring. [TV Line]

(S01E13) "Paranoia is a skill, the secret to longevity." - Moz

Last week we had someone from Neal's past (Keller) coming back to cause problems, and I mentioned that it seems like the show does that a lot, a la 'Burn Notice.' And tonight continued that trend, with Wilkes coming into Neal's life, kidnapping a girl and wanting Neal to do some favors for him in exchange for the girl's life (of course, he has no intention of releasing the girl and would probably kill Neal too if he had to). The funny thing is, even though all these baddies from Neal's past keep making appearances, I bet none of them have anything to do with the Kate and the music box and none of them are the big bad guy in charge of everything.

What, you think it's actually Fowler? Yeah, right!

There's been another transfer out of the squad at NBC. Detective Chester Lake has turned in his badge. Actor Adam Beach is leaving Law and Order: SVU. He'll be on the show till the end of this season -- his one and only with Law and Order: SVU.

Adam Beach, who was also excellent in the Clint Eastwood feature Flags of Our Fathers as the troubled serviceman Ira Hayes, uncomfortable with the acclaim he received as one of the men who rose the flag at Iwo Jima, received a number of award nominations for his role on the HBO mini-series Bury My Heart At Wounded Knee. It was on that project that he worked with producer Dick Wolf.

"From the first day I met him on the set of Bury My Heart, I was knocked out by his commitment, dedication and total immersion in the film's most crucial role," said Wolf.

This is a bummer. (By the way, isn't there a better expression than that to describe disappointment? "What a shame" is just too British to me.) Anyway, TV Guide's Michael Ausiello reports that Law & Order: SVU has lost Diane Neal. The actress, who's played assistant district attorney Casey Novak on the Dick Wolf show for five years has turned in her resignation. This season will be her last. "Diane spent five years on SVU and was a tremendous addition to the SVU team. She is looking forward to new opportunities and she will be missed," says the NBC source about her departure.

Like I said, I'm not happy about this one. Unlike so many of the faces and forms that come in and out of the L&O universe, Diane Neal stuck out. And I mean that in a good way. She had a presence and a passion, which was not only recognizable amid the many others who seem interchangeable, it was crucial to match fire with Christopher Meloni, Mariska Hargitay and the other SVU cast.

(S08E22) Was it me, or was there just too much happening in this episode? "Screwed" was a culmination of not just this entire season, but of the entire series. And we're left, once again, to wonder whether the SVU squad is going to be disseminated.

The episode starred Ludacris, reprising his role as Det. Tutuola's stepson, Darius, from a March 2006 episode. But, despite the stellar acting job from Ludacris, it wasn't about him at all. In fact, his alleged crime wasn't even the center of the story (I stopped trying to remember the Ludacris episode when I realized that it didn't matter). Instead, Ludacris was the tool the writers used to pick apart all the mistakes the SVU detectives have made over the years and leave us hanging about their fate. The detectives were the ones on trial.

(S08E21) I hate it when the promos ruin an episode. It's hard to tell whether this episode of SVU was a good one because I knew from the promos that the girlfriend was a "black widow". It took a really, really long time for the story to unfold and I felt impatient because I wanted to see the evil side of this girl.

(S08E20) Usually I would say that if Elliot Stabler gets naked, it's gonna be a great episode. I wouldn't call it "great", but it was "good". It's surprising, really, because the topic was incredibly emotional. A man killed his wife and children because his lies were getting out of hand. It's a believable premise because we've seen it played out too many times in the news media (even though L&O didn't promote this one as "ripped from the headlines").

The episode was Elliot-centric, which usually means his family is somehow involved. It was. He saw a man who was bored with his life in Staten Island, so he started making up a new life for himself complete with a fiance who thought he was a CIA agent. Of course, it imploded and, as Dr. Wong said, family killers are so narcissistic that they can't live with the shame of being caught in their lies.

(S08E19) This was the best episode this season, hands down. Det. Olivia Benson's entire world came crashing down around her. Her entire motivation for being an SVU detective was brought into question. There was an awful lot revealed in this episode about Benson's past.

The writers and Mariska Hargitay did a spectacular job convincing me that she had completely lost her mind. Det. Benson appeared to be blindly helping her brother evade the law because she couldn't believe that he was a rapist, just like their father. After the last episode with Simon, I fully believed that he was guilty and I thought she did too.

(S08E18) Okay, I loved the dog owners in this episode. Their priorities were completely skewed. They found a dead teen-ager in their bed, but they were more disturbed by the fact that their dog hadn't been walked while they were on vacation.

This episode was about a subject they love over at SVU: drunk, rich kids. This time, though, the kids aren't the worst of the worst. The real bad guy is a young mother who wants teen-age boys to think she's hot and for her daughter to be popular with her classmates. She buys the kids alcohol and medicates her daughter's problems with alcohol.

(S08E17) The writers of this episode were out to stick it to the right-wing Evangelicals, weren't they? They wrote an emotional script about the subject that gets so many people riled up: homosexuality!

Tim Daly seemed a little detached from his central role in this episode, playing Jeb Curtis, a reverend at New Souls Church in Long Island. I think his character was based on real-life Evangelical minister Ted Haggard, who admitted to doing meth and having affairs with men. Of course, Haggard never killed anyone to cover up his sins (at least not that we know of).

(S08E16) For the most part, I really enjoyed this episode. I liked how the two storylines intertwined- with Liv's search for her brother having an impact on her ability to do her job. What I didn't like was the third storyline of Olivia and Elliot being "too close" and the threat of splitting them up. That's a tired story. They already broke up last season when Mariska Hargitay's pregnancy became too obvious to hide, so Olivia ditched Elliot for after she realized they were too close.

I spent most of this episode being pissed off at Olivia for allowing Elliot to drag himself into her mess. She was way over the line in doing kinship DNA testing in the police database and in stalking her half-brother. Liv had to keep telling lies to cover for her screw ups and Elliot backed her up. Obviously they are "too close" because they're now supporting each other's extra curricular activities.

(S08E14) Just like last week, this episode took a complete turn a little more than halfway through. I felt pretty unhappy with the ending because, once again, it seemed rushed. An entire murder investigation was wrapped up extremely quickly and then another storyline was opened with Elliot and his wife- all in the last 25 minutes of the show.

The episode started out like any other. A father (Cary Elwes) and his son arrive at his estranged wife's house to find someone inside. The mother is dead, the father gets whacked on the head with a vase and the boy runs for his life. It turns out the family may have the mob after them, but that lead dries up quickly. Then the father remembers seeing his daughter in the house and the investigation quickly turns to her. She was on drugs that made her violent and she had a violent relationship with her mother. The case pretty much seems wrapped up until tests come back to reveal that the urine in the toilet that proved the daughter was high on drugs, did not belong to her. It was a man's - probably her boyfriend.