A deadly trio emerges, hell-bent on unleashing a new era at Camp Redwood. Our former counselors desperately try to keep history from repeating itself.

Kevin goes back to his high school to accept an award. Jack and Rebecca get excited about their kids’ futures.

Season 7 of How I Met Your Mother premiered on September 19, 2011. The seventh season of the American television comedy series How I Met Your Mother was announced in…