Season 2: Episode 32: You Should've Put A Ring On It

Joseph has a dream that Leslie marries Chris. This makes him realize he genuinely wants a future with Leslie. Chris and Leslie go on a weekend getaway to Spain. When she returns, Joseph musters up enough courage to finally let Leslie know how he truly feels. Unfortunately, as he is about is about to propose, he sees a 14-carat engagement ring already on Leslie's finger. Leslie is now engaged to Chris.