We now have thre future episode descriptions that explain how these new Rangers will come into play. Remember, these are future episods and their titles & air date not yet known.
The Phantom Beasts have been brought bakck to life. Dai Si, has them prove their loyalty by capturing the three masters. The Phantom Beasts capture the masters and used the masters to create Spirit Rangers.
The Phantom Beasts control the masters and call forth the Spirit Rangers. They look and fight like Power Rangers. Our heroes are in for a real fight as they face the Spirits of their own masters, RJ makes a device that will momentarily stop the Spirit Rangers. But he knows that something more has to be done in order to save his dad and the their masters.
The Spirit Rangers could be the end of our heroes if something isn't done. RJ takes the risk of destroying his father. Trusting his dad was prepared if this should happen. Together with the help of his dad, Rj saves the other masters from the grip of evil.