- Skull: Hey, Bulk! The plan worked. We didn't get "D"s. No detention!
- Bulk: Will you shut up?
- Mr. Kaplan: Do you know what "F" stands for, gentlemen?
- Bulk: Fun?
- Skull: Far out?
- Mr. Kaplan: No!
- [he writes "forever" on the chalkboard]
- Mr. Kaplan: Forever. Which is how long you'll be staying after school in my office.
- Bulk: That was my next guess.