S06E22: Abby's Maiden Voyage/He Ain't Heavy/I Like to Be in America

Synopsis

A desperate 23-year old virgin wants to spend the night with a handsome fellow she meets on board, but in the end decides she will hold off until the time is right; a bratty adopted teenager finds out that the assistant bartender that he has been harassing is actually his long lost older brother; the entire crew chips in to help April get ready to take her U.S. citizenship test despite her severe test anxiety.