Barney's relationship with Patrice has his friends concerned on How I Met Your Mother. "The Over-Correction" is the tenth episode of the show's eighth season.

How I Met Your Mother Season 8 Episode 10 Quotes

Robin: I love Patrice, we're like sisters.
Ted: You've never gotten through even one exchange without screaming at her.
Robin: Sisters fight Ted!

Ted: Hugh Hefner, in you lobby, right now!
Barney: I'm gonna grab my robe!