Crossovers!

What are some of your favorite crossovers? Can be from either movies or television shows!

CW DC ones are always fun to watch.

Sonic / Mega Man: Worlds Collide was comic heaven. Hilarious and gripping with great interactions, and Dr Eggman and Dr Wily's partnership... the hoot of the century.

And I seem to faintly recall a Rugrats and Thornberries crossover...? It's just a flash from the nadir of my memory, but I remember liking it.

While the Jimmy Timmy Power Hour will always be my favorite crossover of all time, part of me also liked those crazy Disney crossovers like Wizards on Deck with Hannah Montana. They weren't great but as a kid it was cool.