Voltron: Lion Force, The Sleeping Princess

S1 E30: Haggar's Blue Cat sneaks into the castle and stabs Allura with a poisoned blade. Helpless, Keith, Lance, Pidge and Hunk watch as she draws her last breath and dies. At the Royal Funeral, each member of Voltron Force says their farewells, but all is not as it seems. The team has been the victim of a clever plot by Lotor to have Allura to himself. He steals her away, and only Pidge between him and escape. Furious, Pidge takes on the powerful evil Prince all on his own!