House, Season 3

[House tries to sedate the flailing autistic patient with nitrous oxide]

Dr. House:
Hey hey hey hey! [inhales from the mask]

Dr. Wilson:
Out of Vicodin? [House gives him a look]

Patient's Mother:
What're you doing?

Dr. House:
[holding his breath] Eating the red berries.

[House inhales and puts the mask on the child who complies and passes out]

Sarah:
He trusted you.

Dr. House:
No, that wasn't trust. That was self-preservation.

Dominic:
No... That was huge. It was like a conversation.

Dr. House:
A monkey's. [gets up and hits his head on a surgical light] Monkey's afraid to eat the red berries until he sees another monkey eat them. Monkey see, monkey do. It's all it was. The kid's still just as messed up as when he admitted him. [stumbles into a table]