Quote from Francis in Baby: Part 1
Francis: There has to be some way to get rid of her. Ida: Well, we know she doesn't burn. Lois: Let's just face it. We're stuck with her. Francis: You can't give up. You can totally do this. Lois: I'm sorry. I just don't know what to do. She's too powerful. Francis: Every monster has its weakness. Frankenstein has fire. Dracula, the cross. There has to be something that Grandma's afraid of.