According to an article on licensingbook.com the Power Rangers Samurai will return in September for an Origins special!
“Additionally, fans will have the chance to experience the never-before-seen story of how the newest generation of Power Rangers came together in an all-new Power Rangers Samurai Origins special, which will air on Nickelodeon in September. The special takes viewers inside the dojo where the new Rangers received their martial arts training prior to their first adventures battling evil as a team.”
It’s about time we get to see the origins of the Samurai Rangers!