Imperious has wished the Power Rangers away. The world has lost its color and evil now rules. The Tribunal of Magic is the only entity that can reverse the wish. The teens go to the Tribunal of Magic and their request is denied.
Did You Know?
All we know is that our world has changed soon after Solaris Knight lost his genie to that bulldog and the yeti.
Of course. Your knight lost his genie, and Imperious made him grant a wish that the Power Rangers never existed.