'Arrested Development': Scott Baio Joins Season 4

Scott Baio and Henry Winkler on set of "Arrested Development."

Scott Baio is returning to "Arrested Development." Yep, Bob Loblaw is back in action.

Henry Winkler, who co-starred with Baio on "Happy Days," tweeted a photo of him and Baio on the set. Winkler will also reprise his "Arrested Development" role of lawyer Barry Zuckerkorn. Viewers can also expect to see Kitty Sanchez back in action. Judy Greer tweeted a photo of her dressing room door confirming the news that she was reprising the Kitty role.

Oh my goodness ... What a Development !!!!!!! twitter.com/hwinkler4real/…

— Henry Winkler (@hwinkler4real) August 31, 2012

The entire regular "Arrested Development" cast will be back for the new season set to stream on Netflix in the spring of 2013. The Bluth family be joined by some new characters as well. Details on them are scarce, but John Slattery will play one of the mysterious new additions.

Click through the slideshow below to see some of the Bluth family in action.

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• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

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• "Arrested Development" Season 4

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• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

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  "Arrested Development" Season 4

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  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

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  "Arrested Development" Season 4

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• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development" Season 4

  "Arrested Development" Season 4

• "Arrested Development"

  The cast of "Arrested Development

• Buster Bluth

  Tony Hale as Buster Bluth

• GOB Bluth

  Will Arnett as GOB Bluth

• Lindsay Bluth-Funke

  Portia de Rossi as Lindsay Bluth-Funke

• George-Michael Bluth

  Michael Cera as George-Michael Bluth

• Lucille Bluth

  Jessica Walter as Lucille Bluth

• George Bluth Sr.

  Jeffrey Tambor as George Bluth Sr.

• Michael Bluth

  Jason Bateman as Michael Bluth

• Tobias Funke

  David Cross as Tobias Funke

• Maeby Funke

  Alia Shawkat as Maeby Funke

• Lindsay Funke

  Portia de Rossi as Lindsay Funke

• GOB Bluth

  Will Arnett as GOB Bluth

• George Bluth Sr.

  Jeffrey Tambor as George Bluth Sr.

• George-Michael Bluth

  Michael Cera as George-Michael Bluth

• Buster Bluth

  Tony Hale as Buster Bluth

• Tobias Funke

  David Cross as Tobias Funke

• Michael Bluth

  Jason Bateman as Michael Bluth

• Maeby Funke

  Alia Shawkat as Maeby Funke

• Lucille Bluth

  Jessica Walter as Lucille Bluth

• George Bluth

  New "Arrested Development" poster.

• GOB Bluth

  New "Arrested Development" poster.

• Michael Bluth

  New "Arrested Development" poster.

From our partners

• Guillermo Del Toro Is Heading To HBO - insidetv.ew.com
• 'Glee' Star Thinks The Show Did A 'Great Job' With The School Shooting Episode - www.tvguide.com
• First Look At The New Season Of 'Arrested Development' - EW