'Old King Clancy' - Season 4, Episode 18
While Barney and Marshall try to keep the cancellation of GNB's new headquarters from Ted, the gang try to figure out which Canadian celebrity Robin slept with.
Air Date: March 23rd 2009.
Ted: What is an ETR?
Barney: It's an Employee Transition Room.
Ted: What does that mean?
Barney: Well, it's a space where a supervisor and an employee engage in a knowledge transfer about an impending vocational paradigm shift.
Marshall: People get fired here.
Ted: I have to think of ways to put my wood into Bilson's dark atrium.
Marshall: If I could nail any celebrity, it'd be Lily. She's the star of my heart.
Lily: For me, it would be Hugh Jackman.