- Ms. Ingram: [Is teaching, then stops] Georgie, where's your brother?
- Georgie Cooper: I dunno. Do you really want him here?
- [She thinks for a beat, then goes on happily teaching]
- Georgie Cooper: [after an argument with Dr Sturgis, Sheldon declares a Math Emergency] What's a Math Emergency?
- George Cooper Sr.: That's when things don't add up.
- [he laughs at his own wit, but no-one else is smiling]
- George Cooper Sr.: Oh, come on, guys, that was a good one.
- Sheldon Cooper: And how are you doing?
- Ms. Hutchins: Since when are you interested?
- Sheldon Cooper: My father told me I should be kind to old people.
- Ms. Hutchins: How old do you think I am?
- Sheldon Cooper: My father also told me if a woman ever asks you that, it's a trap.
- Ms. Hutchins: Smart man!
- Sheldon Cooper: But I'll say 53.