- Dr. Wilson: Maybe it's Auto Immune...
- Dr. Lisa Cuddy: Maybe it's Auto Immune...
- Dr. Eric Foreman: Maybe it's Auto Immune...
- Dr. Allison Cameron: Maybe it's Auto Immune...
- Dr. Robert Chase: Maybe it's Auto Immune...
- Dr. Lawrence Kutner: Maybe it's Auto Immune...
- Thirteen: Maybe it's Auto Immune...
- Dr. Chris Taub: Maybe it's Auto Immune...
- Dr. Jeffrey 'Big Love' Cole: Maybe it's Auto Immune...
- Dr. Gregory House: If someone says Auto Immune, you're fired!
- Dr. Gregory House: Trouble in paradise. 2 o'clock.
- Dr. Wilson: Wait, your 2 o'clock or my 2 o'clock?
- Dr. Gregory House: Over there!