The title "Something Blue" holds multiple layers of meaning:
: The incident forces them to discuss their future. They realize they want completely different things—Ted wants a family and a house, while Robin wants to travel the world and live in Argentina. [S2E22] Something Blue
: While at a restaurant, a waiter brings a glass of champagne with an engagement ring in it to their table. Robin immediately panics and shouts "No!", only to realize the ring was intended for a couple at the next table. The title "Something Blue" holds multiple layers of
Through a series of flashbacks, Ted and Robin recount their anniversary dinner from two weeks prior: [S2E22] Something Blue