Roseanne Barr will reunite with the cast of her hit sitcom "Roseanne" on Saturday as part of Comedy Central's roast of the comedienne, according to stars of the show.

Sarah Chalk, Michael Fishman and Alicia Goranson joined the Los Angeles event, according to Tweets by Fishman and Chalke's official Web site.

"I had a great time at #RoseanneRoast. Had to sign off the Comedy Central handle before I say anything to bad. After party = no censor," Fishman wrote.

Barr's ex-husband Tom Arnold, who also was a writer for the show and occasionally made an appearance as "Arnie Thomas," even reportedly made a surprise appearance. The news was revealed via Twitter, of course, when Arnold responded to one fan's tweet.

"Dreams come true:) '@devonesawa: I'd give anything to see Tom Arnold be a part of the Roseanne roast,'" he wrote.

It has been 15 years since the curtain closed on "Roseanne." For nearly a decade, the show ruled the airwaves and evenings for many Americans.

Comedy Central's roasts have become a staple of the channel's line-up of specials. Past victims tend to lean towards Barr's history of comedian-turned-sitcom star, and include Dennis Leary, Bob Sagat, and Charlie Sheen.

The Comedy Central Roast of Roseanne Barr will air on Sunday, Aug. 12, at 10 p.m.

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