↓ Transcript
Panel 1:

ELLIE: So we figure it might just be Urticaria or something, not an allergy. Which is good, because I'd hate to have some weird, random allergy.
PENNY : Yeah, that would be AWFUL.

Panel 2:


Panel 3:


Panel 4:


Panel 5:

ELLIE: OHMYGODIFORGOTYOUWEREALLERGICTOWOOLI'MSOSORRY!!!!
PENNY: GAH!