Brenda Walsh just can't turn her back on the country's most famous zip code.

Sources confirm that Shannen Doherty is returning to 90210 for one episode later this season.

No other details regarding her storyline has been released, but fans are buzzing about whether or not Doherty will share screen time with former nemesis, Tori Spelling, who is also coming back to the show in March.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.