When does The Adventures of Jimmy Neutron, Boy Genius return?

The Adventures of Jimmy Neutron, Boy Genius, is an American animated television series. The series was created by John A. Davis for Nickelodeon. It was the first Nicktoon series to be animated in CGI. A spin-off, Planet Sheen, aired from 2010 to 2013.
The show follows a scientifically minded boy named Jimmy Neutron from Retroville, Texas. He frequently goes on adventures with his two best friends, Carl and Sheen.