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.