Assuming it hasn't be planned already, whoever voice acts the male scientist should probably give a sound clip similar to that for digging out the food below the queen, only about digging to the surface after beating at least one mission while the entrance is closed.
I imagine this should be planned ahead, as I expect you'll be getting all of that dialogue when you are also getting whatever you need for 3.X
I imagine this should be planned ahead, as I expect you'll be getting all of that dialogue when you are also getting whatever you need for 3.X