Board Thread:Questions and Answers/@comment-117.201.229.43-20130609121100/@comment-26253199-20171221025700

The Original Ben met Eon in Ben 10,000 Returns and the reason for the events in the race against time happened in another timeline, I think the creators didn't like the idea of Ben turning in Eon, or it was a good explanation to "correct" inconsistencies such as Gwen doesn't use real magic in the talent show.