03:17 PM EDT 12/22/2014
Originally posted 06/27/2013 08:25AM
They're getting back together – for the kids.
Penny Marshall and Cindy Williams, who teamed up as Laverne and Shirley on the classic, eponymous sitcom from 1976 to 1983, are reuniting for a guest appearance on a teen sitcom. It will be the first time they've acted together in 30 years.
Marshall, 69, and Williams, 65, will appear on Nickelodeon's Sam & Cat, playing the creators of a '70s TV show who haven't spoken in 30 years.
Top 5 Most Voted Stories
Top 10 News Categories
The most buzzed about stars this minute!
Treat Yourself! 4 Preview Issues
More On PEOPLE.com
Got a News Tip?
Send it to our People.com editors!