King Arthur and the Knights of Justice

"King Arthur and the Knights of Justice" is an animated series that aired from September 13, 1992, to December 12, 1993. The series follows the adventures of King Arthur and his Knights of the Round Table as they are captured by the evil sorceress Queen Morgana. The wizard Merlin, unable to free them, transports an American football team from the future, led by Arthur King, to Camelot to take their place and save the real King Arthur and the Knights. The team must find the Twelve Keys of Truth to free King Arthur and the Knights and protect the weak and vanquish the evil.