| Question | Answer |
| Which character has a twin? | |
| Which character's parent would like to scan your brain? | |
| Which two characters did Leslie Winkle have a relationship with? | |
| What organization does Howard design equipment for? | |
| At the end of season 2, where did all of the male characters plan to spend their summer? | |
| What television show are the guys watching when Howard says 'That's the future Mrs. Wolowitz.' | |
| What does Penny call the flower-shaped barrettes she created and starts an online business for? | |
| Penny gives Sheldon a Christmas present that contains the DNA of whom on it? | |
| What are the next two words....'Rock, Paper, Scissors, ......, .......' | |
| What 'treat' does Sheldon give to Penny as positive reinforcement? | |