When does Ninjago return?

The series was created to coincide with the Lego Ninjago line of construction toys. It began with two pilot episodes in January 2011, followed by two 13-episode seasons that aired from December 2011 to November 2012. In Denmark, it premiered on Cartoon Network. The series concluded on October 1, 2022, with the second part of the fifteenth season being released on Netflix in Australia and New Zealand.