With both a baby and a wedding on the way, change is in the air and awesomeness abounds in the hilariously unpredictable Season Seven of How I Met Your Mother. As Marshall and Lily move away to start their family, Ted continues the search for the woman of his dreams. Meanwhile, Robin reveals a shocking secret and special guest star Katie Holmes joins the fun in the long-awaited return of the Slutty Pumpkin! And, wedding bells are ringing at last for confirmed bachelor Barney, but why is he wearing that ridiculous ducky tie, and just who is the "lucky" lady?

An invisible and mysterious force field descends upon a small fictional town in the United States, trapping residents inside, cut off from the rest of civilization. The trapped townsfolk must discover the secrets and purpose of the "dome" and its origins, while coming to learn more than they ever knew about each other.