The Big Bang Theory - Season 8 Episode 16 : The Intimacy Acceleration
As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Meanwhile, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a “zombie.” And, after returning from Mrs. Wolowitz’ funeral, Bernadette and Howard run into trouble at the airport.
Alternative Titles: 天才理论传, Big Bang Theory, תאוריית המפץ הגדול, Hamapats hagadol, Enfejare Bozorg, ビッグバン★セオリー, La teoría del Big Bang, Štreberi, Teoria vel'keho tresku, Büyük Patlama Teorisi