The Improbable Case

What happens when The Doctor, Sherlock Holmes, and the Winchester Brothers meet? Insanity of course.

But seriously, The Doctor needs their help. When he and Rose investigate something seeping from a rift into the universe Rose is from they discover a parallel Earth that is nothing but pure evil. They decide to close the rift to enter it. The only problem standing in their way is an army of supernatural monsters and a villain whose got the populace eating out of his hands. Looks like he'll have to consult a few experts.

Can seven heroes prevent the evil Earth rom infecting theirs?

Read carefully because:
The game is on to save people and hunt things- Allonsy!