24. Thomas Gibson vs. Criminal Minds
Thomas Gibson, who has been with the show since its start in 2005, was suspended following an on-set incident with a writer while he was directing an episode. The suspension turned into a full dismissal and he was let go from the long-running CBS drama. Now, he's reportedly considering legal action.
23. Jennifer Esposito vs. Blue Bloods
Jennifer Esposito left the CBS procedural in 2012 and the network issued a statement that she took issue with after she said a doctor informed her she needed to reduce her workload because of her struggle with Celiac disease. "CBS didn't listen to my doc and I collapsed on set. Which everyone saw! After a week off my doc said I could return to work but CBS [implied] that I was NOT truly ill and this was a scheme to get a raise! It's been almost two months without [bringing] me back to work + keeping [me] from working anywhere else!...Absolutely shameful behavior," she said in a series of tweets.
22. Taylor Momsen vs. Gossip Girl
Momsen, who played Jenny Humphrey on the CW drama, was suspended in season four for her reported offscreen antics and onset attitude. Guest star Tim Gunn later told E! News that she was a "diva" when he filmed his role. "She was pathetic, she couldn't remember her lines, and she didn't even have that many," he said. Momsen has retired from acting to focus on her music career.
21. Selma Blair vs. Anger Management
Lionsgate confirmed the star's departure from the FX series after a "heated battle" with Charlie Sheen. Blair reportedly went to producers with complaints about the former Two and a Half Men star, which sources told E! News "annoyed" Sheen. Hence her swift exit.
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20. George Eads vs. CSI (Part Two)
Eads reportedly has not been happy with the direction of his character, and he wanted more input into where Nick is heading in the 14th season. That allegedly caused a fight with a writer which led to his leave of absence.
19. Christopher Abbott vs. Girls
Abbott abruptly decided to exit the HBO hit series just one day before production was set to begin on season three. Our source told E! News Abbott and creator and star Lena Dunham had "creative differences" about his character Charlie's storylines.
18. Jorja Fox and George Eads vs. CSI
Both CSI originals reportedly were fired from the CBS mega-hit during the beginning of its fifth season over salary disputes. After some negotiating and a couple of production days without the two, a deal was eventually made that put Nick Stokes and Sara Sidle back in the crime lab.
17. Brett Butler vs. Grace Under Fire
The show suffered from a revolving door of producers and writers, and Butler constantly had to battle for creative control. She frequently butted heads with creator and executive producer Chuck Lorre, who eventually left the show.
16. Lisa Edelstein vs. House
Though no official reason was given for her exit, rumors buzzed that budget cuts on House meant a lowball salary offer for season eight. Edelstein, aka Dr. Lisa Cuddy, said in a statement: "After much consideration, I am moving onward with a combination of disappointment at leaving behind a character I have loved playing for seven years and excitement of the new opportunities in acting and producing that lie ahead."
15. The Big Bang Theory stars vs. Producers
The Big Bang Theory was supposed to go into production on season eight on Wednesday, July 30...but it's been delayed thanks to contract talks. Jim Parsons, Kaley Cuoco-Sweeting, Johnny Galecki, Simon Helberg and Kunal Nayyar are all without contracts for the hit sitcom and are said to be asking for big rasies. Melissa Rauch and Mayim Bialik already signed new deals. The cast is said to be asking for "Friends money" and everybody remembers the time the cast of that hit sitcom was pulling in $1 million...an episode. Parties connected to the talks expect it to shake out, especially since CBS renewed the hit series for three more years back in March.
14. Angus T. Jones vs. Two and a Half Men
Sheen wasn't the only Two and a Half Men star to make headlines for knocking the CBS series after Jones' now infamous rant, in which he called the show "filth" and said he no longer wished to be on it, went viral. The star later apologized for his comments, but was reduced from series regular to a recurring guest star.
13. David Duchovny vs. The X-Files
Mulder left the show in 2001 partly because of a contract dispute after he finished filming season seven. He appeared in only a handful of episodes in season eight and didn't show his face in season nine until the series finale.
12. Christopher Meloni vs. Law and Order: SVU
After twelve seasons as Detective Elliot Stabler, Meloni left the series after he and the series' head honchos couldn't come to an agreement on his contract.
11. Ellen DeGeneres vs. Ellen
In 1997, DeGeneres made TV history when her character came out in the famous "Puppy Episode." After it aired, the show received backlash from religious conservative groups, forcing ABC to place a parental advisory at the beginning of each episode. Ratings declined, and critics blasted the new, serious tone of the show. It was pulled from the air in May 1998.
10. Nicollette Sheridan vs. Desperate Housewives
Where do we begin? Let's just say Sheridan suing creator Marc Cherry for wrongful termination led to a court case full of more twists and turns than anything Desperate Housewives has put out in years.
9. Cybill Shepherd vs. Moonlighting
Shepherd was reportedly tough to deal with on set, and she later told stories about her struggle to deal with the crazy hours and scripts coming in at the last minute. Glenn Gordon Caron left the show as executive producer as rumor swirled that he asked the network to choose him or her, and he knew they wouldn't pick him.
8. Isaiah Washington vs. Grey's Anatomy
Washington was fired from the ABC show after reportedly directing the word "f----t" at T.R. Knight, his openly gay costar, during a fight onset with Patrick Dempsey. After being booted off, Washington told a different account of the events, claiming he didn't use that word as an insult toward his Grey's coworker. But then he went ahead and dropped that word again at the Golden Globes. He's since returned to the show to help Sandra Oh say goodbye.
7. Shelley Long vs. Cheers
Long left the show after season five amid rumors that she was difficult on set. In later documentaries on Cheers, costars insisted she was constantly in conflict with everyone on the show.
6. David Caruso vs. NYPD Blue
The CSI: Miami star famously left NYPD Blue after the first season to pursue a movie career. Other sources claimed he left when his demand of $100,000 per episode wasn't met before season two began.
5. John Schneider & Tom Wopat vs. The Dukes of Hazzard
The series' stars boycotted the show before the fifth season due to disputes over salaries and merchandising royalties owed to them. CBS hastily replaced them with two new Duke boys, but audiences hated the new characters and ratings plummented. Eventually a deal was reached and Schneider and Wopat came back to work right before the end of the season.
4. Shannen Doherty vs. 90210 and Charmed
This notorious bad girl's attitude caused friction on the set of not one, but two Aaron Spelling shows. She was written off Beverly Hills, 90210 in season four and killed off Charmed in season three.
3. Chevy Chase vs. Community
In leaked voicemails, the comedy icon tore into Dan Harmon, the show's creator. The feud reportedly started when Harmon insulted Chase in front of everyone at the season-two wrap party, leading the Community actor to leave profanity-laden messages. Harmon has since apologized for making the voicemails public. Chase left the series in season four, but not without a whirlwind of controversy.
2. Charlie Sheen vs. Two and a Half Men
Where do we begin? CBS unceremoniously fired it's main star after Sheen went on a weeklong rant about the show and its creator, Chuck Lorre. It was a trainwreck that you just couldn't look away from. Sheen obviously didn't damage his career completely—his new show Anger Management premieres June 28 on FX.
1. Suzanne Somers vs. Three's Company
Somers' demands for a higher salary caused tension on set during the show's fifth season, leading the star to go on a strike of sorts. Her scenes were taped on separate days from the show's regular tapings so she wouldn't be on set with any other castmembers.