- Astrid Farnsworth: Walter, what's wrong?
- Dr. Walter Bishop: Either a green unicorn just raced across the lab, or I accidentally took some LSD.
- Astrid Farnsworth: [referring to experimenting on a drugged FBI agent] Walter, I do not think this is a very good idea.
- Dr. Walter Bishop: Don't be such a grinch. I told you - science should be fun!
- Olivia Dunham: What am I looking for?
- Sam Weiss: Whatever it is you need to hear. You'll figure it out.