The Goat

S3 E17: Barney and Robin wake up in bed together and make a pact not to mention that they've had sex, Barney tries to find a loophole in the Bro Code to excuse his behaviour, and Robin feels guilty and tells Ted. Elsewhere, Lily rescues a goat and Ted's 30th birthday is ruined when he confronts Barney and tells him he no longer considers him a friend.