Here's the stuff we found when you searched for "Marty finds a button which 'purges' the monsters from their cells, and in desperation Dana hits it, releasing all the monsters"

If you Log in you could create a "Marty finds a button which 'purges' the monsters from their cells, and in desperation Dana hits it, releasing all the monsters" node. If you don't already have an account, you can register here.