"She is so obsessed with the show that her people flew our set decorator to her house to re-create the McNamara/Troy fish tank," says creator Ryan Murphy.

Now O'Donnell is more than a fan. She's a guest-star later in the show's fourth season, which starts tonight (10 p.m.). She will play a housewife who seeks cosmetic surgery after hitting the lottery.

This season alone, Nip/Tuck will feature the likes of Larry Hagman (a wealthy businessman with a hot young wife), Brooke Shields (a sex-obsessed therapist), Sanaa Lathan (the wealthy businessman's hot young wife), Richard Chamberlain (a rich gay man with a much younger companion), Kathleen Turner (a phone sex operator who wants a voice lift), Jacqueline Bisset (a mysterious woman with a horrifying secret), Melissa Gilbert (a lonely housewife who wants reconstructive surgery after an embarrassing accident) and Peter Dinklage (a caring night nurse).

Perhaps. But if there was any TV show that didn't need energizing, it's the wildly over-the-top, anything goes Nip/Tuck. With its steamy sex scenes, graphic plastic surgeries and bizarro cases/characters, Nip/Tuck doesn't simply push the proverbial taste envelope, it shoves it, mangles it and shoves it again.

Despite the show's Who's Who of guest stars, Murphy swears the series will return to its roots and focus on the three core characters — ladies man Christian (Julian McMahon), harried family man Sean (Dylan Walsh) and forever tormented Julia (Joely Richardson).

The Carver storyline certainly polarized viewers. They either loved it or hated it. And fans who didn't like it weren't afraid to post their displeasure on various Nip/Tuck message boards.

As the fourth season opens, Sean learns from Julia that their baby will be born deformed. Meanwhile, Christian is busy having lurid three-ways with a mother-daughter sex team and is better trying to understand himself by seeing a Dr. Melfi-like therapist (Shields like you've never seen before), who has her own issues.

Nip/Tuck has always been a show about a heterosexual love affair between two men. This season the series will explore the male intimacy issue even further.

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