Bernadette and Howard attempt to leave the kids at home on The Big Bang Theory finale. "The Stockholm Syndrome" is the 24th episode of the show's 12th season.
Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget. Raj: Where are we going?
[Raj whispers in Wolowitz's ear] Penny: What did he say? Wolowitz: He compared Sheldon to a disposable feminine cleansing product one might use on a summer's eve. Penny: Yeah, and the bag it came in