Back in the 80s and 90s when people started running short on ideas the cross-over stunt was quiet common
it happened in comic books Batman fought Punisher
it happened in tv shows Magnum PI meets Murder She Wrote
So what kind of silly cross over would work today?
it happened in comic books Batman fought Punisher
it happened in tv shows Magnum PI meets Murder She Wrote

So what kind of silly cross over would work today?