as if they were walking through solid walls/doors? When they have to tell Jay something, why not get Alberta leave a message on Alexa, as we know she can do? Unless it's a continuity goof, why can you see them in reflective surfaces? Why can they touch each other but not livings?

My theory about 1 is, it has something to do with horizontal vs. vertical planes.

You got me on 2. I guess they forgot for sake of drama.

Otherwise, I think we need the last part of the MST3K theme song about now.