The staff at Gossip Overload is about as obsessed with the tall drink of ginger water known as Conan O’Brien as one can get, so when we were watching How I Met Your Mother’s new episode the other night, our late-night-host senses went into overdrive.

During a scene that lasted for about a second, Neil Patrick Harris’s character dashes out of the bar forcing one of the patrons to turn around. And who was that bar goer? None other than the red headed wonder himself, Conan O’Brien!

Harris said that O’Brien actually won the walk-on role from a charity auction last year.

Check out the clip of his background part below!