When does The X's return?

The X's is an American animated television series created by Carlos Ramos for Nickelodeon. The series centers on a nuclear family of four highly trained spies who must conceal their identity from the outside world. The show consists of a single 20-episode (38 segments) season, running from November 25, 2005, to Nov 25, 2006. Mr. X is the family patriarch, team leader of the X's, and the main protagonist of the series.