Board Thread:Series Discussion/@comment-6883075-20131129180010/@comment-4050367-20131222005103

Young Justice: Invasion is too big a masterpiece to be ruined by a crossover with Ben 10. And Billy and Mandy makes no sense at all. Its a comedy, it has no plot.

Plus, if you do Billy and Mandy, then you have KND and Ed, Edd, n Eddy also (since they're in the same universe as revealed in The Grim Adventures of the Kids Next Door).

So do you really want to have a universe where Ben 10; Secret Saturdays; Ed, Edd, n Eddy; KND, and The Grim Adventures of Billy and Mandy all co-exist?