When does Sam & Cat return?

Sam & Cat is an American teen sitcom that aired on Nickelodeon from June 8, 2013, to July 17, 2014. The series stars Jennette McCurdy as Sam Puckett from iCarly, and Ariana Grande as Cat Valentine from Victorious. The girls meet by chance during a bizarre adventure and become roommates, then start a babysitting business to earn extra money.