TV Buzz: Jennie Garth and Luke Perry Developing Sitcom; ’30 Rock’ Books Bryan Cranston

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You’ve seen the Old Navy commercials and you’ve heard the dating rumors, but the truth is former Beverly Hills 90210 co-stars Jennie Garth and Luke Perry are actually developing and planning to star in a television show together. Garth’s rep confirmed saying, “They have been spending a lot of time together recently, because the two are working on developing a TV sitcom together. It will be a multi-camera half hour show, currently we have producers and writers and are meeting with networks.” [RumorFix]

Which Breaking Bad star will head to 30 Rock this fall?

It’s time to meet Kenneth’s (Jack MacBrayer) family on the last season of 30 Rock. Catherine O’Hara has been cast as Jack’s mother who has a “friend” in the form of Breaking Bad’s Bryan Cranston. While there are no details yet regarding why they’ll show up, their appearances guarantee that the episode is sure to be a good one. [TV Guide]

After over 30 years since Mork & Mindy, Robin Williams could be returning to TV. The Oscar and Emmy award-winning actor is in talks to star in David E. Kelley’s new comedy about a man and daughter who work together at the same advertising company. Reportedly, CBS may be picking up the project. [TVLine]

Looks like Sherlock Holmes (Johnny Lee Miller) and Watson (Lucy Liu) will have some help on an upcoming episode of CBS’ Elementary. David Harbour of HBO’s The Newsroom will make a guest appearance on an episode as Dr. Mason Baldwin who helps the detective on a case. Elementary premieres Thursday, Sept. 27 on CBS  at 10 PM. [TVLine]