Season 7: Episode 24 - "The Magician's Code Part Two"

"The Magician's Code Part Two": Barney and Quinn go on their first vacation together and get stopped by airport security because of a magic trick Barney refuses to open due to “Magician’s Code”; Robin struggles to get a good picture of baby Marvin for the birth announcement, and Ted gets in touch with his ex-girlfriend Victoria wondering if he still has a chance.