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"Laverne &amp;amp; Shirley&amp;#039;s Penny Marshall and Cindy Williams are to reunite in Sam &amp;amp; Cat. Their episode of the Nickelodeon series casts them as feuding creators of a 1970s sitcom, who are brought together to reconcile by Sam and Cat (Jennette McCurdy, Ariana Grande).   Marshall and Williams&amp;#039;s guest roles in Sam &amp;amp; Cat will mark their first appearance together in a scripted series in more than 30 years. Laverne &amp;amp; Shirley first aired as a spinoff of Happy Days in 1976, and continued until May 1983. The classic sitcom also starred Michael McKean and David Lander as the girls&amp;#039; goofball friends Lenny and Squiggy. Sam &amp;amp; Cat airs on Saturdays at 8pm ET on Nickelodeon. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/ustv/news/a493982/laverne-shirleys-penny-marshall-cindy-williams-for-sam-cat/>