Kaley Cuoco: I think she’s just like Cher. She just goes by one name. But I ask myself that too. Sometimes I look at my mail cause we have a lot of scenes with mail and I think that sometimes they might have last names on there, but they’re not real so yeah. It’s kinda now become a whole thing.
Chuck Lorre: At this point we’re a little superstitious about it.
Kaley: I know I’m afraid to have one now.
Chuck: Maybe it’ll be a series finale.
Kaley: It’d be the worst series finale ever.