A lot of nerds got excited with the crossover last season between Abed from Community and the crew at Cougar Town. If you forgot, we covered it here (with video).

This fall on How I Met Your Mother, those with sharp eyes for background figures shall be rewarded again: Conan O’Brien is going to be just chilling at the bar during one episode. He won a silent auction for the right to walk on, then politely declined the producers’ offer to actually write him dialogue.

Here’s NPH discussing it:

We would have loved to see NPH and Coco jam out to the Monorail song out of nowhere at McLaren’s, but ah well: