When does Sam & Cat return?

Sam & Cat is an American teen sitcom that aired on Nickelodeon from June 8, 2013, to July 17, 2014. It is a spin-off of iCarly and Victorious, two TV shows created by Dan Schneider. The series stars Jennette McCurdy as Sam Puckett, Ariana Grande as Cat Valentine from Victorious. The girls meet by chance during a bizarre adventure and become roommates, then start a babysitting business.