Power Rangers Samurai: Next Gen

Years ago, after the defeat of Master Xandred, the rangers went their separate ways. But what they didn't know was of a new enemy, worse than Xandred, that will unite the remnants of the Nighlok army, as well bring his own army of the Neltrins, to try to bring the world to it's knees. Thankfully, the rangers had a plan. A new team, their children, secretly trained.