User blog comment:Bobdave/Epic Rap Battles - Modern vs Classic. Mark Zuckerberg vs Alexander Graham Bell/@comment-29013044-20160720224444/@comment-4490782-20160720225138

I don't really get it. I'm assuming it's time travel, but Dipper doesn't fly around time all that much lol.

@AWC, as I've said below, Doc and Marty vs Rick and Morty is something I don't wanna do because it's original vs spoof. It's not something I've ever been interested in exploring.