Heidi Lynne Herschbach

Ted is in a panic when he, not knowing Stella has an allergy to peanuts, puts it in her dinner and nearly kills her. Lily helps Barney impress Robin after he confides that he loves her.

Vince's new agent wants him to do a period film, Eric and Vince agree to have lunch with Ari, and Turtle plans Vince's birthday party.

The CSI team investigates two unusual cases, one involving the suspicious death of a go-cart racer, and the other a murder at a hip new restaurant where patrons dine in the dark.