How I Met Your Mother

An old friend unexpectedly shows up at the wedding

Robin and Barney's seating plan at their wedding is thrown into disarray when old friend Gary Blauman (Taran Killam) shows up unexpectedly. His arrival sparks a debate about where he should sit, and the pals' true opinions of him are revealed as they decide whether he should be allowed to stay. American sitcom, starring Josh Radnor and Alyson Hannigan